Java Programming Interview Questions

 
1.
What is J2EE?
2.
What is the J2EE module?
3.
What are the four types of J2EE modules?
4.
What does web module contain?
5.
What is the difference between Session bean and Entity bean?one?
6.
What is applet container?
7.
What is application client?
8.
What is application client module?
9.
What is application configuration resource file?
10.
What is asant?
11.
What is authorization constraint?
12.
What is backing bean?
13.
What is bean-managed persistence?
14.
What is binding (XML)?
15.
What is build file?
16.
What is business method?
17.
What is caller?
18.
What is cascade delete?
19.
What is connector?
20.
What is component contract?
21.
What is certificate authority?
22.
What is caller principal?
23.
What is callback methods?
24.
What is business logic?
25.
What is binding (JavaServer Faces technology)?
26.
What is bean-managed transaction?
27.
What is basic authentication?
28.
What is B2B?
29.
What is authorization?
30.
What is attribute What is asant?
31.
What is archiving?
32.
What is application component provider?
33.
What is application client container?
34.
What is application assembler?
35.
What are the differences between Ear, Jar and War files? Under what circumstances should we use each one?
36.
What does application client module contain?
37.
What are the components of J2EE application?
38.
What is CDATA?
39.
What is client-certificate authentication?
40.
What is component-managed sign-on?
41.
What is Connector architecture?
42.
What is container-managed persistence?
43.
What is container-managed transaction?
44.
What is context attribute?
45.
What is create method?
46.
What is CSS?
47.
What is data?
48.
What is deployment descriptor?
49.
What is digest authentication?
50.
What is document?
51.
What is document root?
52.
What is durable subscription?
53.
What is ebXML?
54.
What is EJB JAR file?
55.
What is EJB server provider?
56.
What is empty tag?
57.
What is enterprise information system resource?
58.
What is Enterprise JavaBeans Query Language (EJB QL)?
59.
What is error?
60.
What is external entity?
61.
What is fatal error?
62.
What is filter chain?
63.
What is form-based authentication?
64.
What is home handle?
65.
What is ISO 3166?
66.
What is home interface?
67.
What is general entity?
68.
What is finder method?
69.
What is external subset?
70.
What is Extensible Markup Language?
71.
What is Enterprise JavaBeans (EJB)?
72.
What is enterprise bean?
73.
What is EJB module?
74.
What is EJB container provider?
75.
What is EAR file?
76.
What is Document Object Model?
77.
What is destination?
78.
What is deployer?
79.
What is deployment?
80.
What is declarative security?
81.
What is DDP?
82.
What is CTS?
83.
What is context root?
84.
What is content?
85.
What is container-managed sign-on?
86.
What is container?
87.
What is initialization parameter?
88.
What is ISV?
89.
What is J2EE component?
90.
What is J2EE product?
91.
What is J2EE server?
92.
What is J2SE?
93.
What is Java 2 Platform, Enterprise Edition (J2EE)?
94.
What is Java 2 Platform, Standard Edition (J2SE)?
95.
What is Java API for XML Registries (JAXR)?
96.
What is Java Transaction API (JTA)?
97.
What is JavaBeans component?
98.
What is JavaServer Pages (JSP)?
99.
What is JAXR client?
100.
What is JMS client?
101.
What is J2EE application?
102.
What is J2EE module?
103.
What is Java 2 Platform, Micro Edition (J2ME)?
104.
What is Java API for XML Processing (JAXP)?
105.
What is Java API for XML-based RPC (JAX-RPC)?
106.
What is Java Message Service (JMS)?
107.
What is Java Secure Socket Extension (JSSE)?
108.
What is Java Transaction Service (JTS)?
109.
What is JavaMail?
110.
What is JavaServer Pages Standard Tag Library (JSTL)?
111.
What is JAXR provider?
112.
What is J2EE product provider?
113.
What is J2ME?
114.
What is J2ME WTK?
115.
What is 802.11?
116.
What is API?
117.
What is AMPS?
118.
What is CDC?
119.
What is CDMA?
120.
What is CDMA One?
121.
What is CDMA2000?
122.
What is CDPD?
123.
What is cHTML?
124.
What is CLDC?
125.
What is configuration?
126.
What is CVM?
127.
What is Deck?
128.
What is EDGE?
129.
What is ETSI?
130.
What is FDMA?
131.
What is Foundation Profile?
132.
What is Generic Connection Framework?
133.
What is GPRS?
134.
What is GSM?
135.
What is HLR?
136.
What is HTTPS?
137.
What is i-appli?
138.
What is IDE?
139.
What is iDEN?
140.
What is i-mode?
141.
What is 3G?
142.
What is 3GPP?
143.
What is Java Card?
144.
What is JavaHQ?
145.
What is JCP?
146.
What is JDBC for CDC/FP?
147.
What is JSR?
148.
What is KittyHawk?
149.
What is KJava?
150.
What is kSOAP?
151.
What is kXML?
152.
What is KVM?
153.
What is LCDUI?
154.
What is MExE?
155.
What is MIDlet?
156.
What is MIDlet suite?
157.
What is MIDP?
158.
What is MIDP-NG?
159.
What is Mobitex?
160.
What is Modulation?
161.
What is MSC?
162.
What is Obfuscation?
163.
What is optional package?
164.
What is OTA?
165.
What is PCS?
166.
What is PDAP?
167.
What is PDC?
168.
What is PDCP?
169.
What is Personal Profile?
170.
What is PersonalJava?
171.
What is PNG?
172.
What is POSE?
173.
What is PRC?
174.
What is preverification?
175.
What is profile?
176.
What is Provisioning?
177.
What is PSTN?
178.
What is RMI OP?
179.
What is RMI Profile?
180.
What is RMS?
181.
What is SDK?
182.
What is SIM?
183.
What is SMS?
184.
What is T9?
185.
What is TDMA?
186.
What is Telematics?
187.
What is Tomcat?
188.
What is UMTS?
189.
What is VLR?
190.
What is WAE?
191.
What is WAP?
192.
What is WAP Gateway?
193.
What is W-CDMA?
194.
What is WDP?
195.
What is WMA?
196.
What is WML?
197.
What is WMLScript?
198.
What is WSP?
199.
What is WTLS?
200.
What is WTP?
201.
What is Java API?
202.
What is applet?
203.
What is actual parameter list?
204.
What is ASCII?
205.
What is ACID?
206.
What is access control?
207.
What is atomic?
208.
What is authentication?
209.
What is autoboxing?
210.
What is abstract?
211.
What is Abstract Window Toolkit (AWT)?
212.
What is bean?
213.
What is block?
214.
What is bitwise operator?
215.
What is binary operator?
216.
What is case?
217.
What is bytecode?
218.
What is break?
219.
What is boolean?
220.
What is casting?
221.
What is catch?
222.
What is abstract schema?
223.
What is abstract schema name?
224.
What is activation?
225.
What is anonymous access?
226.
What is a class?
227.
What is constructor?
228.
What is compositing?
229.
What is compiler?
230.
What is compilation unit?
231.
What is comment?
232.
What is codebase?
233.
What is client?
234.
What is classpath?
235.
What is class variable?
236.
What is class method?
237.
What is distributed?
238.
What is derived from?
239.
What is delegation?
240.
What is default?
241.
What is critical section?
242.
What is core packages?
243.
What is CORBA?
244.
What is continue?
245.
What is deprecation?
246.
What is definition?
247.
What is declaration?
248.
What is credentials?
249.
What is core class?
250.
What is conversational state?
251.
What is const?
252.
What is for?
253.
What is finally?
254.
What is field?
255.
What is executable content?
256.
What is exception?
257.
What is enum?
258.
What is EmbeddedJava Technology?
259.
What is DTD?
260.
What is double?
261.
What is do?
262.
What is goto?
263.
What is float?
264.
What is final?
265.
What is extends?
266.
What is exception handler?
267.
What is enumerated type?
268.
What is encapsulation?
269.
What is else?
270.
What is double precision?
271.
What is DOM?
272.
What is distributed application?
273.
What is formal parameter list?
274.
What is generic?
275.
What is Java Compatibility Kit (JCK)?
276.
What is Java Card API?
277.
What is Java 2 SDK, Standard Edition?
278.
What is Java?
279.
What is JAIN?
280.
What is IP?
281.
What is interface?
282.
What is instanceof?
283.
What is instance method?
284.
What is implements?
285.
What is if?
286.
What is identifier?
287.
What is HTML?
288.
What is hexadecimal?
289.
What is group?
290.
What is JavaBeans?
291.
What is Java Runtime Environment (JRE)?
292.
There are 3 distinct editions of the Java Platform explain?
293.
What is Java Platform?
294.
What is Java Naming and Directory Interface (JNDI)?
295.
What is Java Media APIs?
296.
What is Java IDL?
297.
What is Java Development Kit (JDK)?
298.
What is JavaCheck?
299.
What is Java virtual machine1?
300.
What is Java Remote Method Invocation (RMI)?
301.
What is Java Platform Editions?
302.
What is Java Native Interface?
303.
What is Java Media Framework?
304.
What is Java Interface Definition Language (IDL)?
305.
What is Java Foundation Classes (JFC)?
306.
What is Internet?
307.
What is int?
308.
What is instance variable?
309.
What is instance?
310.
What is import?
311.
What is impersonation?
312.
What is IIOP?
313.
What is IDL?
314.
What is HTTP?
315.
What is hierarchy?
316.
What is GUI?
317.
What is null?
318.
What is native?
319.
What is method?
320.
What is long?
321.
What is literal?
322.
What is lexical?
323.
What is JVM?
324.
What is JRE?
325.
What is JNDI?
326.
What is OTS?
327.
What is ORB?
328.
What is octal What is object-oriented design?
329.
What is new?
330.
What is multithreaded?
331.
What is member class?
332.
What is local variable?
333.
What is linker?
334.
What is keyword?
335.
What is Just-in-time (JIT) Compiler?
336.
What is JNI?
337.
What is Jini Technology?
338.
What is JDK?
339.
What is JavaSpaces?
340.
What is JavaSafe?
341.
What is realm?
342.
What is public?
343.
Some examples of profiles within the Java 2 Platform, Micro Edition are?
344.
What is property?
345.
What is privilege?
346.
What is principal?
347.
What is pixel?
348.
What is peer?
349.
What is object-oriented design?
350.
What is OS principal?
351.
What is optional packages?
352.
What is overloading?
353.
What is persistence?
354.
What is package?
355.
What is POA?
356.
What is protected?
357.
What is profiles?
358.
What is process?
359.
What is private?
360.
What is primitive type?
361.
What is short?
362.
What is security technology domain?
363.
What is security context?
364.
What is Secure Socket Layer (SSL)?
365.
What is sandbox?
366.
What is runtime system?
367.
What is root?
368.
What is return?
369.
What is raster?
370.
What is switch?
371.
What is super?
372.
What is subtype?
373.
What is subarray?
374.
What is static?
375.
What is single precision?
376.
What is serialization?
377.
What is supertype?
378.
What is superclass?
379.
What is subclass?
380.
What is stream?
381.
What is RPC?
382.
What is SAX?
383.
What is scope?
384.
What is security attributes?
385.
What is security policy domain?
386.
What is world readable files?
387.
What is URL?
388.
What is variable?
389.
What is virtual machine?
390.
What is volatile?
391.
What is Swing?
392.
What is transaction manager?
393.
What is throw?
394.
What is this?
395.
What is Technology Compatibility Kit (TCK)?
396.
What is TCP/IP?
397.
What is type?
398.
What is transient?
399.
What is wrapper?
400.
What is while?
401.
What is void?
402.
What is URN?
403.
What is try?
404.
What is transaction isolation level?
405.
What is throws?
406.
What is thread?
407.
What is synchronized?
408.
What is Unicode?
409.
What is thin client?
410.
What is a transient variable?
411.
Which containers use a border layout as their default layout?
412.
How are Observer and Observable used in Java Programming?
413.
What is synchronization and why is it important in Java Programming?
414.
What are synchronized methods and synchronized statements in Java Programming?
415.
What are three ways in which a thread can enter the waiting state in Java Programming?
416.
Can a lock be acquired on a class in Java Programming?
417.
What's new with the stop(), suspend() and resume() methods in JDK 1.2?
418.
What is the preferred size of a component in Java Programming?
419.
What method is used to specify a container's layout in Java Programming?
420.
Which containers use a FlowLayout as their default layout in Java Programming?
421.
What state does a thread enter when it terminates its processing in Java Programming?
422.
What is the Collections API in Java Programming?
423.
What is the List interface in Java Programming?
424.
How does Java handle integer overflows and underflows?
425.
What is the Vector class in Java Programming?
426.
What modifiers may be used with an inner class that is a member of an outer class in Java Programming?
427.
If a method is declared as protected, where may the method be accessed in Java Programming?
428.
What is an Iterator interface in Java Programming?
429.
How many bits are used to represent Unicode, ASCII, UTF-16, and UTF-8 characters in Java Programming?
430.
What is the difference between yielding and sleeping in Java Programming?
431.
Is sizeof a keyword in Java Programming?
432.
What are wrapped classes in Java Programming?
433.
Does garbage collection guarantee that a program will not run out of memory?
434.
What is the difference between preemptive scheduling and time slicing in Java Programming?
435.
Name Component subclasses that support painting in Java Programming?
436.
What is a native method in Java Programming?
437.
How can you write a loop indefinitely in Java Programming?
438.
Can an anonymous class be declared as implementing an interface and extending a class in Java Programming?
439.
What is the purpose of finalization in Java Programming?
440.
Which class is the superclass for every class in Java Programming?
441.
What invokes a thread's run() method in Java Programming?
442.
What is the difference between the Boolean & operator and the && operator in Java Programming?
443.
What is the GregorianCalendar class in Java Programming?
444.
What is the SimpleTimeZone class in Java Programming?
445.
Which Container method is used to cause a container to be laid out and redisplayed in Java Programming?
446.
What is the Properties class in Java Programming?
447.
What is the purpose of the Runtime class in Java Programming?
448.
What is the purpose of the System class in Java Programming?
449.
What is the purpose of the finally clause of a try-catch-finally statement in Java Programming?
450.
What is the Locale class in Java Programming?
451.
What must a class do to implement an interface in Java Programming?
452.
What is the purpose of the wait(), notify(), and notifyAll() methods in Java Programming?
453.
What is an abstract method in Java Programming?
454.
What are the high-level thread states in Java Programming?
455.
What is the difference between a static and a non-static inner class in Java Programming?
456.
What is an object's lock and which object's have locks in Java Programming?
457.
When can an object reference be cast to an interface reference in Java Programming?
458.
What is the difference between a Window and a Frame in Java Programming?
459.
What do heavy weight components mean in Java Programming?
460.
Which package has light weight components in Java Programming?
461.
What are peerless components in Java Programming?
462.
What is the difference between the Font and FontMetrics classes in Java Programming?
463.
What happens when a thread cannot acquire a lock on an object in Java Programming?
464.
What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy in Java Programming?
465.
What classes of exceptions may be caught by a catch clause in Java Programming?
466.
If a class is declared without any access modifiers, where may the class be accessed in Java Programming?
467.
What is the Map interface in Java Programming?
468.
Does a class inherit the constructors of its superclass in Java Programming?
469.
Name primitive Java types?
470.
Which class should you use to obtain design information about an object in Java Programming?
471.
How can a GUI component handle its own events in Java Programming?
472.
How are the elements of a GridBagLayout organized in Java Programming?
473.
What advantage do Java's layout managers provide over traditional windowing systems?
474.
What are the problems faced by Java programmers who don't use layout managers?
475.
What is the difference between static and non-static variables in Java Programming?
476.
What is the difference between the paint() and repaint() methods in Java Programming?
477.
What is the purpose of the File class in Java Programming?
478.
How does multithreading take place on a computer with a single CPU in Java Programming?
479.
What restrictions are placed on method overloading in Java Programming?
480.
What restrictions are placed on method overriding in Java Programming?
481.
What is casting in Java Programming?
482.
Name Container classes in Java Programming?
483.
What class allows you to read objects directly from a stream in Java Programming?
484.
How are this() and super() used with constructors in Java Programming?
485.
How is it possible in Java Programming for two String objects with identical values not to be equal under the == operator?
486.
What an I/O filter in Java Programming?
487.
What is the Set interface in Java Programming?
488.
What is the purpose of the enableEvents() method in Java Programming?
489.
Is Java a super set of JavaScript?
490.
What we can not do in jdbc but can do hibernate?
491.
Java is fully object oriented languages or not? Why?
492.
If i learn Java, what kind of applications can i create that will help Banking, Retail, Hotel, Logistics industry?
493.
What is difference between object state and behavior?
494.
Can we have more than one action servlet?
495.
Why use a datasource when you can directly specify a connection details? (in a J2EE application)?
496.
If I define a method in JSP scriplet <%..%>, where will it go after translation into a servlet?
497.
How will the struts know which action class to call when you submit a form?
498.
Will it be called overriding if I do not change the parameters or return type, instead throw a different exception in the method signature?
499.
Does Java pass arguments by value or reference?
500.
Different between Struts and Spring? or Why use Spring, if you are already using Struts?
501.
Explain what is synchronization?
502.
Write a program to show synchronization?
503.
Explain what is orm?
504.
Write a singleton program?
505.
What is IOC concept & explain it?
506.
Explain spring framework?
507.
What are the oops concept?
508.
What are the diff types of exception?
509.
What is AOP(assepct oriented programing)?
510.
What is jsp life cycle?
511.
Explain servlet life cycle?
512.
What is prototype?
513.
In spring bean class uses singleton or prototype?
514.
What is Struts?
515.
What is MVC?
516.
What is Jakarta Struts Framework?
517.
What is ActionServlet?
518.
How you will make available any Message Resources Definitions file to the Struts Framework Environment?
519.
What is Action Class?
520.
What is ActionForm?
521.
What is Struts Validator Framework?
522.
Give the Details of XML files used in Validator Framework?
523.
How you will display validation fail errors on jsp page?
524.
How you will enable front-end validation based on the xml in validation.xml?
525.
How to get data from the velocity page in a action class?
526.
What is a framework?
527.
What is Struts framework?
528.
What are the components of Struts?
529.
What are the core classes of the Struts Framework?
530.
What is role of ActionServlet?
531.
What is the ActionForm?
532.
What are the important methods of ActionForm?
533.
Describe validate() and reset() methods?
534.
What is ActionMapping?
535.
How is the Action Mapping specified?
536.
What is role of Action Class?
537.
In which method of Action class the business logic is executed?
538.
What design patterns are used in Struts?
539.
Can we have more than one struts-config.xml file for a single Struts application?
540.
What is the difference between session scope and request scope when saving formbean?
541.
What are the different kinds of actions in Struts?
542.
What is DispatchAction?
543.
How to use DispatchAction?
544.
What is the use of ForwardAction?
545.
What is IncludeAction?
546.
What is the difference between ForwardAction and IncludeAction?
547.
What is LookupDispatchAction?
548.
What is the use of LookupDispatchAction?
549.
What is difference between LookupDispatchAction and DispatchAction?
550.
What is SwitchAction?
551.
What is DynaActionForm?
552.
How to display validation errors on jsp page?
553.
What are the various Struts tag libraries?
554.
How the exceptions are handled in struts?
555.
Explain about Core Java?
556.
State some advantages of Java?
557.
State the main difference between C++ and Java?
558.
Explain about the security aspect of Java?
559.
Explain about the interpreter in Java?
560.
Explain about the performance aspects of Core Java?
561.
Explain about the dynamic behavior of core java?
562.
Explain about Java SDK?
563.
What are the three best choices for development environment?
564.
Explain about Class in Java?
565.
Explain about Java data types?
566.
Explain about Java assignment statement?
567.
Give the difference between the println method and sqrt method?
568.
Explain about strings in Java?
569.
Explain the reason behind ending a program with a System.exit (0)?
570.
Explain about inheritance hierarchies?
571.
Explain about the select method with an example?
572.
When does a plugin get started?
573.
What are extensions and extension points?
574.
How to access UI objects from a non-ui thread?
575.
How to fire a key event in my test code to make the program act as if a user pressed a key?
576.
Why do I get the error "org.eclipse.swt.SWTException: Invalid thread access"?
577.
How to config a plugin to start automatically during platform starts up?
578.
What is the classpath of a plug-in?
579.
Do we need to explicitly invoke org.eclipse.swt.graphics.Image.dispose()?
580.
What is Display, what is Shell?
581.
How to resize my shell to get my changed widgets to lay out again?
582.
Is there a built-in facility to check whether a given value is valid compared to the effective facets of its type?
583.
How can I change the window icon in my application?
584.
What is optional dependency?
585.
What is EMF?
586.
What is included in the Rich Client Platform?
587.
What are the differences between Require-Bundle and Import-Package?
588.
What is EJB?
589.
What is session Facade in EJB?
590.
What is EJB role in J2EE?
591.
What is the difference between EJB and Java beans?
592.
What are the key features of the EJB technology?
593.
What are the key benefits of the EJB technology?
594.
How many enterprise beans?
595.
What is message-driven bean?
596.
What is Entity Bean and Session Bean ?
597.
How EJB Invocation happens?
598.
Is it possible to share an HttpSession between a JSP and EJB? What happens when I change a value in the HttpSession from inside an EJB?
599.
The EJB container implements the EJBHome and EJBObject classes. For every request from a unique client, does the container create a separate instance of the generated EJBHome and EJBObject classes?
600.
Can the primary key in the entity bean be a Java primitive type such as int?
601.
Can you control when passivation occurs?
602.
What is the advantage of using Entity bean for database operations, over directly using JDBC API to do database operations? When would I use one over the other?
603.
What is EJB QL?
604.
Brief description about local interfaces?
605.
What are the special design care that must be taken when you work with local interfaces?
606.
What happens if remove( ) is never invoked on a session bean?
607.
What is the difference between Message Driven Beans and Stateless Session beans?
608.
How can I call one EJB from inside of another EJB?
609.
What is an EJB Context?
610.
Is is possible for an EJB client to marshal an object of class java.lang.Class to an EJB?
611.
Is it legal to have static initializer blocks in EJB?
612.
Is it possible to stop the execution of a method before completion in a SessionBean?
613.
What is the default transaction attribute for an EJB?
614.
What is the difference between session and entity beans? When should I use one or the other?
615.
What is Hibernate?
616.
What is ORM?
617.
What does an ORM solution comprises of?
618.
What are the different levels of ORM quality?
619.
What is a pure relational ORM?
620.
Why do you need ORM tools like hibernate?
621.
What is a meant by light object mapping?
622.
What is a meant by medium object mapping?
623.
What is meant by full object mapping?
624.
What are the benefits of ORM and Hibernate?
625.
What the Core interfaces are of hibernate framework?
626.
What are Callback interfaces?
627.
What should SessionFactory be placed so that it can be easily accessed?
628.
What are POJOs?
629.
What is object/relational mapping metadata?
630.
What is HQL?
631.
What are the most common methods of Hibernate configuration?
632.
What are the important tags of hibernate.cfg.xml?
633.
What are the Core interfaces are of Hibernate framework?
634.
What role does the Session interface play in Hibernate?
635.
What role does the SessionFactory interface play in Hibernate?
636.
What is the general flow of Hibernate communication with RDBMS?
637.
What is Hibernate Query Language (HQL)?
638.
How do you map Java Objects with Database tables?
639.
What Does Hibernate Simplify?
640.
What is the difference between load() and get()?
641.
What is the difference between and merge and update?
642.
How do you define sequence generated primary key in hibernate?
643.
Define cascade and inverse option in one-many mapping?
644.
What does it mean to be inverse?
645.
What do you mean by Named - SQL query?
646.
How do you invoke Stored Procedures?
647.
Explain Criteria API?
648.
Define HibernateTemplate?
649.
What are the benefits does HibernateTemplate provide?
650.
How do you switch between relational databases without code changes?
651.
If you want to see the Hibernate generated SQL statements on console, what should we do?
652.
What are derived properties?
653.
What is component mapping in Hibernate?
654.
What is the difference between sorted and ordered collection in hibernate?
655.
How will you configure Hibernate?
656.
What is a SessionFactory? Is it a thread-safe object?
657.
What is a Session? Can you share a session object between different theads?
658.
What are the benefits of detached objects?
659.
What are the pros and cons of detached objects?
660.
How does Hibernate distinguish between transient (i.e. newly instantiated) and detached objects?
661.
What is the difference between the session.get() method and the session.load() method?
662.
What is the difference between the session.update() method and the session.lock() method?
663.
How would you reatach detached objects to a session when the same object has already been loaded into the session?
664.
What are the general considerations or best practices for defining your Hibernate persistent classes?
665.
What does ORM consists of?
666.
What are the ORM level?
667.
How to choose websphere over other application servers?
668.
What are deployment descriptors? How many types of Deployment descriptors are available? What are they?
669.
How many ways can you deploy applications in websphere?
670.
What is the difference between web server and application server?
671.
How to import jaxp package in IBM WSAD?
672.
How to implement JDBC-ODBC bridge driver (Type 1) in Websphere?
673.
Is there any difference between weblogic and websphere?
674.
What are the different application servers and Web Servers supporting J2EE technologys?
675.
What Development Environment(s) are available to develop applications for WebSphere?
676.
What type of files are required to deploy an application into Websphere. How can they be installed?
677.
How would use ensure WebSphere server logs are created on a different drive than the installation root?
678.
Are there any differences between Weblogic and Websphere?
679.
What is J2EE?
680.
What is the J2EE module?
681.
What are the four types of J2EE modules?
682.
What does web module contain?
683.
What is the difference between Session bean and Entity bean?one?
684.
What is applet container?
685.
What is application client?
686.
What is application client module?
687.
What is application configuration resource file?
688.
What is asant?
689.
What is authorization constraint?
690.
What is backing bean?
691.
What is bean-managed persistence?
692.
What is binding (XML)?
693.
What is build file?
694.
What is business method?
695.
What is caller?
696.
What is cascade delete?
697.
What is connector?
698.
What is component contract?
699.
What is certificate authority?
700.
What is caller principal?
701.
What is callback methods?
702.
What is business logic?
703.
What is binding (JavaServer Faces technology)?
704.
What is bean-managed transaction?
705.
What is basic authentication?
706.
What is B2B?
707.
What is authorization?
708.
What is attribute What is asant?
709.
What is archiving?
710.
What is application component provider?
711.
What is application client container?
712.
What is application assembler?
713.
What are the differences between Ear, Jar and War files? Under what circumstances should we use each one?
714.
What does application client module contain?
715.
What are the components of J2EE application?
716.
What is CDATA?
717.
What is client-certificate authentication?
718.
What is component-managed sign-on?
719.
What is Connector architecture?
720.
What is container-managed persistence?
721.
What is container-managed transaction?
722.
What is context attribute?
723.
What is create method?
724.
What is CSS?
725.
What is data?
726.
What is deployment descriptor?
727.
What is digest authentication?
728.
What is document?
729.
What is document root?
730.
What is durable subscription?
731.
What is ebXML?
732.
What is EJB JAR file?
733.
What is EJB server provider?
734.
What is empty tag?
735.
What is enterprise information system resource?
736.
What is Enterprise JavaBeans Query Language (EJB QL)?
737.
What is error?
738.
What is external entity?
739.
What is fatal error?
740.
What is filter chain?
741.
What is form-based authentication?
742.
What is home handle?
743.
What is ISO 3166?
744.
What is home interface?
745.
What is general entity?
746.
What is finder method?
747.
What is external subset?
748.
What is Extensible Markup Language?
749.
What is Enterprise JavaBeans (EJB)?
750.
What is enterprise bean?
751.
What is EJB module?
752.
What is EJB container provider?
753.
What is EAR file?
754.
What is Document Object Model?
755.
What is destination?
756.
What is deployer?
757.
What is deployment?
758.
What is declarative security?
759.
What is DDP?
760.
What is CTS?
761.
What is context root?
762.
What is content?
763.
What is container-managed sign-on?
764.
What is container?
765.
What is initialization parameter?
766.
What is ISV?
767.
What is J2EE component?
768.
What is J2EE product?
769.
What is J2EE server?
770.
What is J2SE?
771.
What is Java 2 Platform, Enterprise Edition (J2EE)?
772.
What is Java 2 Platform, Standard Edition (J2SE)?
773.
What is Java API for XML Registries (JAXR)?
774.
What is Java Transaction API (JTA)?
775.
What is JavaBeans component?
776.
What is JavaServer Pages (JSP)?
777.
What is JAXR client?
778.
What is JMS client?
779.
What is J2EE application?
780.
What is J2EE module?
781.
What is Java 2 Platform, Micro Edition (J2ME)?
782.
What is Java API for XML Processing (JAXP)?
783.
What is Java API for XML-based RPC (JAX-RPC)?
784.
What is Java Message Service (JMS)?
785.
What is Java Secure Socket Extension (JSSE)?
786.
What is Java Transaction Service (JTS)?
787.
What is JavaMail?
788.
What is JavaServer Pages Standard Tag Library (JSTL)?
789.
What is JAXR provider?
790.
What is J2EE product provider?
791.
What is J2ME?
792.
What is J2ME WTK?
793.
What is 802.11?
794.
What is API?
795.
What is AMPS?
796.
What is CDC?
797.
What is CDMA?
798.
What is CDMA One?
799.
What is CDMA2000?
800.
What is CDPD?
801.
What is cHTML?
802.
What is CLDC?
803.
What is configuration?
804.
What is CVM?
805.
What is Deck?
806.
What is EDGE?
807.
What is ETSI?
808.
What is FDMA?
809.
What is Foundation Profile?
810.
What is Generic Connection Framework?
811.
What is GPRS?
812.
What is GSM?
813.
What is HLR?
814.
What is HTTPS?
815.
What is i-appli?
816.
What is IDE?
817.
What is iDEN?
818.
What is i-mode?
819.
What is 3G?
820.
What is 3GPP?
821.
What is Java Card?
822.
What is JavaHQ?
823.
What is JCP?
824.
What is JDBC for CDC/FP?
825.
What is JSR?
826.
What is KittyHawk?
827.
What is KJava?
828.
What is kSOAP?
829.
What is kXML?
830.
What is KVM?
831.
What is LCDUI?
832.
What is MExE?
833.
What is MIDlet?
834.
What is MIDlet suite?
835.
What is MIDP?
836.
What is MIDP-NG?
837.
What is Mobitex?
838.
What is Modulation?
839.
What is MSC?
840.
What is Obfuscation?
841.
What is optional package?
842.
What is OTA?
843.
What is PCS?
844.
What is PDAP?
845.
What is PDC?
846.
What is PDCP?
847.
What is Personal Profile?
848.
What is PersonalJava?
849.
What is PNG?
850.
What is POSE?
851.
What is PRC?
852.
What is preverification?
853.
What is profile?
854.
What is Provisioning?
855.
What is PSTN?
856.
What is RMI OP?
857.
What is RMI Profile?
858.
What is RMS?
859.
What is SDK?
860.
What is SIM?
861.
What is SMS?
862.
What is T9?
863.
What is TDMA?
864.
What is Telematics?
865.
What is Tomcat?
866.
What is UMTS?
867.
What is VLR?
868.
What is WAE?
869.
What is WAP?
870.
What is WAP Gateway?
871.
What is W-CDMA?
872.
What is WDP?
873.
What is WMA?
874.
What is WML?
875.
What is WMLScript?
876.
What is WSP?
877.
What is WTLS?
878.
What is WTP?
879.
What is Java API?
880.
What is applet?
881.
What is actual parameter list?
882.
What is ASCII?
883.
What is ACID?
884.
What is access control?
885.
What is atomic?
886.
What is authentication?
887.
What is autoboxing?
888.
What is abstract?
889.
What is Abstract Window Toolkit (AWT)?
890.
What is bean?
891.
What is block?
892.
What is bitwise operator?
893.
What is binary operator?
894.
What is case?
895.
What is bytecode?
896.
What is break?
897.
What is boolean?
898.
What is casting?
899.
What is catch?
900.
What is abstract schema?
901.
What is abstract schema name?
902.
What is activation?
903.
What is anonymous access?
904.
What is a class?
905.
What is constructor?
906.
What is compositing?
907.
What is compiler?
908.
What is compilation unit?
909.
What is comment?
910.
What is codebase?
911.
What is client?
912.
What is classpath?
913.
What is class variable?
914.
What is class method?
915.
What is distributed?
916.
What is derived from?
917.
What is delegation?
918.
What is default?
919.
What is critical section?
920.
What is core packages?
921.
What is CORBA?
922.
What is continue?
923.
What is deprecation?
924.
What is definition?
925.
What is declaration?
926.
What is credentials?
927.
What is core class?
928.
What is conversational state?
929.
What is const?
930.
What is for?
931.
What is finally?
932.
What is field?
933.
What is executable content?
934.
What is exception?
935.
What is enum?
936.
What is EmbeddedJava Technology?
937.
What is DTD?
938.
What is double?
939.
What is do?
940.
What is goto?
941.
What is float?
942.
What is final?
943.
What is extends?
944.
What is exception handler?
945.
What is enumerated type?
946.
What is encapsulation?
947.
What is else?
948.
What is double precision?
949.
What is DOM?
950.
What is distributed application?
951.
What is formal parameter list?
952.
What is generic?
953.
What is Java Compatibility Kit (JCK)?
954.
What is Java Card API?
955.
What is Java 2 SDK, Standard Edition?
956.
What is Java?
957.
What is JAIN?
958.
What is IP?
959.
What is interface?
960.
What is instanceof?
961.
What is instance method?
962.
What is implements?
963.
What is if?
964.
What is identifier?
965.
What is HTML?
966.
What is hexadecimal?
967.
What is group?
968.
What is JavaBeans?
969.
What is Java Runtime Environment (JRE)?
970.
There are 3 distinct editions of the Java Platform explain?
971.
What is Java Platform?
972.
What is Java Naming and Directory Interface (JNDI)?
973.
What is Java Media APIs?
974.
What is Java IDL?
975.
What is Java Development Kit (JDK)?
976.
What is JavaCheck?
977.
What is Java virtual machine1?
978.
What is Java Remote Method Invocation (RMI)?
979.
What is Java Platform Editions?
980.
What is Java Native Interface?
981.
What is Java Media Framework?
982.
What is Java Interface Definition Language (IDL)?
983.
What is Java Foundation Classes (JFC)?
984.
What is Internet?
985.
What is int?
986.
What is instance variable?
987.
What is instance?
988.
What is import?
989.
What is impersonation?
990.
What is IIOP?
991.
What is IDL?
992.
What is HTTP?
993.
What is hierarchy?
994.
What is GUI?
995.
What is null?
996.
What is native?
997.
What is method?
998.
What is long?
999.
What is literal?
1000.
What is lexical?
1001.
What is JVM?
1002.
What is JRE?
1003.
What is JNDI?
1004.
What is OTS?
1005.
What is ORB?
1006.
What is octal What is object-oriented design?
1007.
What is new?
1008.
What is multithreaded?
1009.
What is member class?
1010.
What is local variable?
1011.
What is linker?
1012.
What is keyword?
1013.
What is Just-in-time (JIT) Compiler?
1014.
What is JNI?
1015.
What is Jini Technology?
1016.
What is JDK?
1017.
What is JavaSpaces?
1018.
What is JavaSafe?
1019.
What is realm?
1020.
What is public?
1021.
Some examples of profiles within the Java 2 Platform, Micro Edition are?
1022.
What is property?
1023.
What is privilege?
1024.
What is principal?
1025.
What is pixel?
1026.
What is peer?
1027.
What is object-oriented design?
1028.
What is OS principal?
1029.
What is optional packages?
1030.
What is overloading?
1031.
What is persistence?
1032.
What is package?
1033.
What is POA?
1034.
What is protected?
1035.
What is profiles?
1036.
What is process?
1037.
What is private?
1038.
What is primitive type?
1039.
What is short?
1040.
What is security technology domain?
1041.
What is security context?
1042.
What is Secure Socket Layer (SSL)?
1043.
What is sandbox?
1044.
What is runtime system?
1045.
What is root?
1046.
What is return?
1047.
What is raster?
1048.
What is switch?
1049.
What is super?
1050.
What is subtype?
1051.
What is subarray?
1052.
What is static?
1053.
What is single precision?
1054.
What is serialization?
1055.
What is supertype?
1056.
What is superclass?
1057.
What is subclass?
1058.
What is stream?
1059.
What is RPC?
1060.
What is SAX?
1061.
What is scope?
1062.
What is security attributes?
1063.
What is security policy domain?
1064.
What is world readable files?
1065.
What is URL?
1066.
What is variable?
1067.
What is virtual machine?
1068.
What is volatile?
1069.
What is Swing?
1070.
What is transaction manager?
1071.
What is throw?
1072.
What is this?
1073.
What is Technology Compatibility Kit (TCK)?
1074.
What is TCP/IP?
1075.
What is type?
1076.
What is transient?
1077.
What is wrapper?
1078.
What is while?
1079.
What is void?
1080.
What is URN?
1081.
What is try?
1082.
What is transaction isolation level?
1083.
What is throws?
1084.
What is thread?
1085.
What is synchronized?
1086.
What is Unicode?
1087.
What is thin client?
1088.
What is an Applet? Should applets have constructors?
1089.
How will you initialize an Applet?
1090.
How to insert your applets into FrontPage?
1091.
In our URLs and in the text of the buttons we have comma. Its causing an error. Is there a way to change the delimiting character for the menu arguments?
1092.
What is the order of method invocation in an Applet?
1093.
What are the Applets Life Cycle methods? Explain them?
1094.
What is the sequence for calling the methods by AWT for applets?
1095.
How do Applets differ from Applications?
1096.
Can we pass parameters to an applet from HTML page to an applet? How?
1097.
How do we read number information from my applets parameters, given that Applets getParameter() method returns a string?
1098.
How can I arrange for different applets on a web page to communicate with each other?
1099.
How do I select a URL from my Applet and send the browser to that page?
1100.
Can applets on different pages communicate with each other?
1101.
Which classes and interfaces does Applet class consist?
1102.
What is AppletStub Interface?
1103.
What tags are mandatory when creating HTML to display an applet?
1104.
What are the Applets information methods?
1105.
What are the steps involved in Applet development?
1106.
Which method is used to output a string to an applet? Which function is this method included in?
1107.
When is update method called?
1108.
How will you communicate between two Applets?
1109.
How do you communicate in between Applets and Servlets?
1110.
What is the base class for all swing components?
1111.
What is Difference between AWT and Swing?
1112.
Why do you Canvas?
1113.
What type of sound file formats can I use for the applets?
1114.
What are Java Beans?
1115.
Why do I get a NullPointerException when loading a JAR file into the BeanBox?
1116.
What is bean persistance property?
1117.
What are externizable interface?
1118.
What are the purpose of introspection?
1119.
What is property editor in java beans?
1120.
Write a simple bean program?
1121.
Difference between java bean and bean?
1122.
What is a Bean? Why is not a Bean an Applet?
1123.
Why are component architectures useful?
1124.
Is JavaBeans a complete component architecture?
1125.
Why a component architecture for the Java platform?
1126.
What kind of industry support exists for JavaBeans?
1127.
Are there JavaBeans components available that I can buy today?
1128.
Why nobody at Sun wants to read the messages sent to java-beans@java.sun.com?
1129.
What is the relationship between Sun s JFCs and JavaBeans?
1130.
Why do I get a duplicate name error when loading a JAR file?
1131.
What are the security implications for downloading Beans over the Internet?
1132.
When will JavaBeans be supported on the [fill in the blank] platform/operating system?
1133.
What is entity reference?
1134.
What is an entity?
1135.
What is enterprise bean provider?
1136.
What is Enterprise JavaBeans Query Language?
1137.
What is Enterprise JavaBeans?
1138.
What is enterprise information system?
1139.
What is EJB server?
1140.
What is entity bean?
1141.
What is EJB object?
1142.
What is EJB Home object?
1143.
What is EJB context?
1144.
What is EJB container?
1145.
What is bean customization?
1146.
What are introspection API in java beans?
1147.
What is introspection properties in java beans?
1148.
How to control serialization in java beans?
1149.
What is the serializable class in java beans?
1150.
How to create bound property in bean application?
1151.
What is Glasgow?
1152.
How does the InfoBus relate to JavaBeans?
1153.
Will the general public have access to the InfoBus API s?
1154.
Is the InfoBus client side only?
1155.
Difference between java Beans and Enterprise Java Beans?
1156.
What is the relation between the InfoBus and RMI?
1157.
Why is the JavaBeans Bridge for ActiveX only available on Windows/X86?
1158.
Who is developing the JavaBeans Migration Assistant to ActiveX?
1159.
What are/is Enterprise JavaBeans?
1160.
What are the properties of java beans?
1161.
What is the InfoBus?
1162.
Does the InfoBus compete with JavaBeans?
1163.
Is InfoBus easy to use?
1164.
JavaBeans has mechanisms like bound properties for data transfer between components. Why is the InfoBus necessary?
1165.
Can both Java applets and JavaBeans components use the InfoBus?
1166.
Can JavaBeans use DCOM as its network model?
1167.
Why would a developer need the JavaBeans Migration Assistant for ActiveX?
1168.
How and when will the JavaBeans Migration Assistant to ActiveX be available?
1169.
How to implement a bound property in your bean application?
1170.
What is the relationship between Enterprise JavaBeans and JavaBeans?
1171.
What is JDBC?
1172.
What are the two major components of JDBC?
1173.
What is JDBC Driver interface?
1174.
What are the common tasks of JDBC?
1175.
What packages are used by JDBC?
1176.
What are the flow statements of JDBC?
1177.
What are the steps involved in establishing a connection using JDBC in JAVA?
1178.
How can you load the drivers in JDBC?
1179.
What Class.forName will do while loading drivers of JDBC?
1180.
How can you make the connection using JDBC?
1181.
How can you create JDBC statements?
1182.
How can you retrieve data from the ResultSet using JDBC?
1183.
What are the different types of Statements in JDBC?
1184.
How can you use PreparedStatement in JDBC?
1185.
How to call a Stored Procedure from JDBC?
1186.
How to Retrieve Warnings in JDBC?
1187.
How to Make Updates to Updatable Result Sets in JDBC?
1188.
What is Serialization and deserialization in JAVA Programming?
1189.
How you restrict a user to cut and paste from the html page using JAVA Programing?
1190.
What is a transient variable?
1191.
Which containers use a border layout as their default layout?
1192.
How are Observer and Observable used in Java Programming?
1193.
What is synchronization and why is it important in Java Programming?
1194.
What are synchronized methods and synchronized statements in Java Programming?
1195.
What are three ways in which a thread can enter the waiting state in Java Programming?
1196.
Can a lock be acquired on a class in Java Programming?
1197.
What's new with the stop(), suspend() and resume() methods in JDK 1.2?
1198.
What is the preferred size of a component in Java Programming?
1199.
What method is used to specify a container's layout in Java Programming?
1200.
Which containers use a FlowLayout as their default layout in Java Programming?
1201.
What state does a thread enter when it terminates its processing in Java Programming?
1202.
What is the Collections API in Java Programming?
1203.
What is the List interface in Java Programming?
1204.
How does Java handle integer overflows and underflows?
1205.
What is the Vector class in Java Programming?
1206.
What modifiers may be used with an inner class that is a member of an outer class in Java Programming?
1207.
If a method is declared as protected, where may the method be accessed in Java Programming?
1208.
What is an Iterator interface in Java Programming?
1209.
How many bits are used to represent Unicode, ASCII, UTF-16, and UTF-8 characters in Java Programming?
1210.
What is the difference between yielding and sleeping in Java Programming?
1211.
Is sizeof a keyword in Java Programming?
1212.
What are wrapped classes in Java Programming?
1213.
Does garbage collection guarantee that a program will not run out of memory?
1214.
What is the difference between preemptive scheduling and time slicing in Java Programming?
1215.
Name Component subclasses that support painting in Java Programming?
1216.
What is a native method in Java Programming?
1217.
How can you write a loop indefinitely in Java Programming?
1218.
Can an anonymous class be declared as implementing an interface and extending a class in Java Programming?
1219.
What is the purpose of finalization in Java Programming?
1220.
Which class is the superclass for every class in Java Programming?
1221.
What invokes a thread's run() method in Java Programming?
1222.
What is the difference between the Boolean & operator and the && operator in Java Programming?
1223.
What is the GregorianCalendar class in Java Programming?
1224.
What is the SimpleTimeZone class in Java Programming?
1225.
Which Container method is used to cause a container to be laid out and redisplayed in Java Programming?
1226.
What is the Properties class in Java Programming?
1227.
What is the purpose of the Runtime class in Java Programming?
1228.
What is the purpose of the System class in Java Programming?
1229.
What is the purpose of the finally clause of a try-catch-finally statement in Java Programming?
1230.
What is the Locale class in Java Programming?
1231.
What must a class do to implement an interface in Java Programming?
1232.
What is the purpose of the wait(), notify(), and notifyAll() methods in Java Programming?
1233.
What is an abstract method in Java Programming?
1234.
What are the high-level thread states in Java Programming?
1235.
What is the difference between a static and a non-static inner class in Java Programming?
1236.
What is an object's lock and which object's have locks in Java Programming?
1237.
When can an object reference be cast to an interface reference in Java Programming?
1238.
What is the difference between a Window and a Frame in Java Programming?
1239.
What do heavy weight components mean in Java Programming?
1240.
Which package has light weight components in Java Programming?
1241.
What are peerless components in Java Programming?
1242.
What is the difference between the Font and FontMetrics classes in Java Programming?
1243.
What happens when a thread cannot acquire a lock on an object in Java Programming?
1244.
What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy in Java Programming?
1245.
What classes of exceptions may be caught by a catch clause in Java Programming?
1246.
If a class is declared without any access modifiers, where may the class be accessed in Java Programming?
1247.
What is the Map interface in Java Programming?
1248.
Does a class inherit the constructors of its superclass in Java Programming?
1249.
Name primitive Java types?
1250.
Which class should you use to obtain design information about an object in Java Programming?
1251.
How can a GUI component handle its own events in Java Programming?
1252.
How are the elements of a GridBagLayout organized in Java Programming?
1253.
What advantage do Java's layout managers provide over traditional windowing systems?
1254.
What are the problems faced by Java programmers who don't use layout managers?
1255.
What is the difference between static and non-static variables in Java Programming?
1256.
What is the difference between the paint() and repaint() methods in Java Programming?
1257.
What is the purpose of the File class in Java Programming?
1258.
How does multithreading take place on a computer with a single CPU in Java Programming?
1259.
What restrictions are placed on method overloading in Java Programming?
1260.
What restrictions are placed on method overriding in Java Programming?
1261.
What is casting in Java Programming?
1262.
Name Container classes in Java Programming?
1263.
What class allows you to read objects directly from a stream in Java Programming?
1264.
How are this() and super() used with constructors in Java Programming?
1265.
How is it possible in Java Programming for two String objects with identical values not to be equal under the == operator?
1266.
What an I/O filter in Java Programming?
1267.
What is the Set interface in Java Programming?
1268.
What is the purpose of the enableEvents() method in Java Programming?
1269.
Is Java a super set of JavaScript?
1270.
What is JMS?
1271.
Must I place all my class files in the WEB-INF folder and all JSP's outside?
1272.
What type messaging is provided by JMS?
1273.
How may messaging models do JMS provide for and what are they?
1274.
What is the point-to-point model in JMS?
1275.
What are the advantages of JMS?
1276.
What is the publish-and-subscribe model in JMS?
1277.
What is JMS administered object?
1278.
What is publish/subscribe messaging?
1279.
Which models are supported by JMS? Please, explain them.
1280.
What are the different parts of a JMS message ?
1281.
What is the main parts of JMS applications?
1282.
What Is Messaging?
1283.
What is the Role of the JMS Provider?
1284.
What is the difference between Java Mail and JMS Queue?
1285.
Does JMS specification define transactions? Queue
1286.
What is synchronous messaging? Queue
1287.
What is asynchronous messaging? Queue
1288.
How does a typical client perform the communication? Queue
1289.
What is JMS session?
1290.
What is the use of JMS? In which situations we are using JMS? Can we send message from one server to another server using JMS?
1291.
What is the difference between durable and non-durable subscriptions?
1292.
What is the difference between Message producer and Message consumer?
1293.
What is JMS application ?
1294.
What type messaging is provided by JMS ?
1295.
How JMS is different from RPC?
1296.
What Is the JMS API?
1297.
What is JMS (Java Messaging Service)?
1298.
How the JMS is different from RPC?
1299.
What are the basic advantages of JMS?
1300.
What are the different types of messages available in the JMS API?
1301.
What are the different messaging paradigms JMS supports?
1302.
What is the difference between topic and queue?
1303.
What is the use of Message object?
1304.
What is the basic difference between Publish Subscribe model and P2P model?
1305.
What is the use of TextMessage?
1306.
What is the use of MapMessage?
1307.
What is JMS provider?
1308.
Wat is JMS client?
1309.
What is JMS producer?
1310.
What is JMS consumer?
1311.
What is JMS message?
1312.
What is JMS queue?
1313.
What is JMS topic?
1314.
What is the difference between URL instance and URLConnection instance?
1315.
How do I make a connection to URL?
1316.
What Is a Socket in Java Networking and RMI?
1317.
What information is needed to create a TCP Socket?
1318.
What are the two important TCP Socket classes?
1319.
When MalformedURLException and UnknownHostException throws?
1320.
What does RMI stand for?
1321.
What is RMI?
1322.
What is the difference between the File and RandomAccessFile classes?
1323.
What interface must an object implement before it can be written to a stream as an object?
1324.
What is a software design pattern?
1325.
What are the differences between analysis patterns and design patterns?
1326.
What is an analysis pattern?
1327.
How do you write a Thread Safe Singleton?
1328.
What is Singleton pattern?
1329.
What are Process Patterns?
1330.
What is the Reactor pattern?
1331.
What is session facade?
1332.
What are Collaboration Patterns?
1333.
How do I document a design pattern?
1334.
What are Anti-Patterns?
1335.
Explain and detail about Java patterns?
1336.
Describe some of the uses of patterns (Java)?
1337.
What are the contexts in which Patterns can be used?
1338.
Explain about the concept of Generative in Patterns?
1339.
State some of the elements present in Canonical pattern?
1340.
Explain about abstract factory method?
1341.
Explain the difference between Canonical and GoF form?
1342.
State the purpose of why a Java singleton should be used?
1343.
Explain about state dependence?
1344.
Explain about particle canvas?
1345.
Explain about closed subsystems?
1346.
Explain about open systems?
1347.
Explain about fully synchronized objects?
1348.
Explain about locks?
1349.
Explain about semaphores?
1350.
Explain about Template method?
1351.
State all the different patterns and give the various divisions present?
1352.
What is Java RMI?
1353.
What are the layers of RMI Architecture?
1354.
What is the basic principle of RMI architecture?
1355.
How many types of protocol implementations does RMI have?
1356.
Does RMI-IIOP support dynamic downloading of classes?
1357.
Does RMI-IIOP support code downloading for Java objects sent by value across an IIOP connection in the same way as RMI does across a JRMP connection?
1358.
What is the role of Remote Interface in RMI?
1359.
What is the role java.rmi.Naming Class?
1360.
What is the default port used by RMI Registry?
1361.
What is meant by binding in RMI?
1362.
What is the difference between using bind() and rebind() methods of Naming Class?
1363.
When is AlreadyBoundException thrown and by which method?
1364.
How to get all the registered objects in a rmiregistry?
1365.
Can a class implementing a Remote interface have non remote methods?
1366.
What is the protocol used by RMI?
1367.
What is the use of UnicastRemoteObject in RMI?
1368.
What does the exportObject of UnicastRemoteObject do?
1369.
What is PortableRemoteObject.narrow() method and what is used for?
1370.
In a RMI Client Program, what are the excpetions which might have to handled?
1371.
Explain RMI Architecture?
1372.
What are the services in RMI?
1373.
Is Java secure?
1374.
What are the risks in Java Security?
1375.
How common are security breaches?
1376.
Who is at risk in Java?
1377.
How can I protect myself?
1378.
What about products that claim to detect malicious applets?
1379.
What about products that claim to block Java applets at a firewall?
1380.
Which is more secure: Java or ActiveX?
1381.
Which version of my browser should I use?
1382.
What about ``hostile applets?
1383.
I run a Web server. Am I at risk?
1384.
What about JavaScript?
1385.
What's the difference between code-based security and role-based security? Which one is better?
1386.
How can you work with permissions from your .NET application?
1387.
How can C# app request minimum permissions?
1388.
What's a code group?
1389.
What's the difference between authentication and authorization?
1390.
What are the authentication modes in ASP.NET?
1391.
Are the actual permissions for the application defined at run-time or compile-time?
1392.
What's the difference between local, global and universal groups?
1393.
I am trying to create a new universal user group. Why can't I?
1394.
What is LSDOU?
1395.
Why doesn't LSDOU work under Windows NT?
1396.
Where are group policies stored?
1397.
What is GPT and GPC?
1398.
What is JSP technology?
1399.
What is JSP page?
1400.
What are the implicit objects in JSP?
1401.
How many JSP scripting elements and what are they?
1402.
Why are JSP pages the preferred API for creating a web-based client program?
1403.
Is JSP technology extensible?
1404.
What is the ResourceBundle class in JSP?
1405.
What is the difference between a Scrollbar and a ScrollPane in JSP?
1406.
What is a Java package and how is it used?
1407.
What are the Object and Class classes used for?
1408.
What is a JSP and what is it used for?
1409.
What is difference between custom JSP tags and beans?
1410.
What are the two kinds of comments in JSP and what's the difference between them?
1411.
Can we use the constructor, instead of init(), to initialize servlet?
1412.
How can a servlet refresh automatically if some new data has entered the database?
1413.
The code in a finally clause will never fail to execute, right?
1414.
How many messaging models do JMS provide for and what are they?
1415.
How to Retrieve Warnings?
1416.
How many JSP scripting elements are there and what are they?
1417.
In the Servlet 2.4 specification SingleThreadModel has been deprecated, why?
1418.
What are stored procedures? How is it useful?
1419.
How do I include static files within a JSP page?
1420.
Why does JComponent have add() and remove() methods but Component does not?
1421.
How can I enable session tracking for JSP pages if the browser has disabled cookies?
1422.
How do I prevent the output of my JSP or Servlet pages from being cached by the browser?
1423.
How do you restrict page errors display in the JSP page?
1424.
What is the servlet?
1425.
What's the difference between servlets and applets?
1426.
What's the advantages using servlets than using CGI?
1427.
What are the uses of Servlets?
1428.
What's the Servlet Interface?
1429.
When a servlet accepts a call from a client, it receives two objects. What are they?
1430.
What is Java Servlet?
1431.
Why is Servlet so popular?
1432.
What is servlet container?
1433.
When a client request is sent to the servlet container, how does the container choose which servlet to invoke?
1434.
If a servlet is not properly initialized, what exception may be thrown?
1435.
Given the request path below, which are context path, servlet path and path info?
1436.
What is filter? Can filter be used as request or response?
1437.
When using servlets to build the HTML, you build a DOCTYPE line, why do you do that?
1438.
What is new in ServletRequest interface?(Servlet 2.4)
1439.
Request parameter How to find whether a parameter exists in the request object?
1440.
How can I send user authentication information while makingURLConnection?
1441.
Can we use the constructor, instead of init(), to initialize servlet?
1442.
How can a servlet refresh automatically if some new data has entered the database?
1443.
The code in a finally clause will never fail to execute, right?
1444.
What mechanisms are used by a Servlet Container to maintain session information?
1445.
Difference between GET and POST in Java Servlets?
1446.
What is Java Servlet session?
1447.
What is servlet mapping?
1448.
What is servlet context ?
1449.
Which interface must be implemented by all servlets?
1450.
What is Spring?
1451.
What are the advantages of Spring framework?
1452.
What are features of Spring?
1453.
How many modules are there in Spring? What are they?
1454.
What are the types of Dependency Injection Spring supports?
1455.
What is Bean Factory?
1456.
What is Application Context?
1457.
What is the difference between Bean Factory and Application Context?
1458.
How is a typical spring implementation look like?
1459.
What is the typical Bean life cycle in Spring Bean Factory Container?
1460.
What do you mean by Bean wiring?
1461.
What do you mean by Auto Wiring?
1462.
What is DelegatingVariableResolver?
1463.
What are the different modules in Spring framework?
1464.
What is the Core container module?
1465.
What is Application context module?
1466.
What is AOP module?
1467.
What is JDBC abstraction and DAO module?
1468.
What are object/relational mapping integration module?
1469.
What is web module?
1470.
What is AOP Alliance?
1471.
What is Spring configuration file?
1472.
What does a simple spring application contain?
1473.
What is XMLBeanFactory?
1474.
Explain Bean lifecycle in Spring framework?
1475.
What is Significance of JSF- Spring integration?
1476.
How to integrate your Struts application with Spring?
1477.
What are the important beans lifecycle methods?
1478.
What are Inner Beans?
1479.
What are the different types of bean injections?
1480.
What are different types of Autowire types?
1481.
What is an Aspect?
1482.
What is a Jointpoint?
1483.
What is an Advice?
1484.
What is a Pointcut?
1485.
What is an Introduction in AOP?
1486.
What is a Target?
1487.
What is a Proxy?
1488.
What is meant by Weaving?
1489.
What are the different points where weaving can be applied?
1490.
What are the different advice types in spring?
1491.
What are the different types of AutoProxying?
1492.
What's Java Swing?
1493.
What is JFC?
1494.
What is AWT?
1495.
What are the differences between Swing and AWT?
1496.
What are heavyweight components ?
1497.
What is lightweight component?
1498.
What is double buffering ?
1499.
What is an event in Swing?
1500.
What is an event handler in swing?
1501.
What is a layout manager?
1502.
What is clipping?
1503.
Which containers use a border Layout as their default layout in swing?
1504.
What is the preferred size of a component?
1505.
What method is used to specify a container's layout?
1506.
Which containers use a FlowLayout as their default layout?
1507.
Which method of the Component class is used to set the position and size of a component?
1508.
What is the What is the difference between invokeAndWait() and invokeLater()? ?
1509.
Why should any swing call back implementation execute quickly?
1510.
What is an applet?
1511.
What is the difference between applications and applets?
1512.
Which method is used by the applet to recognize the height and width?
1513.
When we should go for codebase in applet?
1514.
What is the lifecycle of an applet?
1515.
Which method is used for setting security in applets?
1516.
What is an event and what are the models available for event handling?
1517.
What are the advantages of the event-delegation model over the event-inheritance model?
1518.
What is threaded programming and when is it used?
1519.
Why are wait(), notify() and notifyall() methods defined in the Object class?
1520.
Why are there separate wait and sleep methods?
1521.
What is the difference between Thread and Runnable types?
1522.
How does the run() method in Runnable work?
1523.
A Thread is runnable, how does that work?
1524.
Why not override Thread to make a Runnable?
1525.
What is the difference between a threads start() and run() methods?
1526.
Can I implement my own start() method?
1527.
Do I need to use synchronized on setValue(int)?
1528.
How do I create a Runnable with inheritance?
1529.
What are three ways in which a thread can enter the waiting state?
Or
What are different ways in which a thread can enter the waiting state?
1530.
What is the difference between yielding and sleeping?
1531.
How to create multithreaded program? Explain different ways of using thread? When a thread is created and started, what is its initial state?
Or
Extending Thread class or implementing Runnable Interface. Which is better?
1532.
What is mutual exclusion? How can you take care of mutual exclusion using Java threads?
1533.
What is the difference between preemptive scheduling and time slicing?
1534.
What invokes a threads run() method?
1535.
What is the purpose of the wait(), notify(), and notifyAll() methods?
1536.
What is thread? What are the high-level thread states?
Or
What are the states associated in the thread?
1537.
What is deadlock?
1538.
How does multithreading take place on a computer with a single CPU?
1539.
What are synchronized methods and synchronized statements?
1540.
Can Java object be locked down for exclusive use by a given thread?
Or
What happens when a thread cannot acquire a lock on an object?
1541.
What is the difference between the methods sleep() and wait()?
1542.
What is the difference between process and thread?
1543.
What is daemon thread and which method is used to create the daemon thread?
1544.
What do you understand by Synchronization?
Or
What is synchronization and why is it important?
Or
Describe synchronization in respect to multithreading?
Or
What is synchronization?
1545.
When you will synchronize a piece of your code?
1546.
Why would you use a synchronized block vs. synchronized method?
1547.
What is an objects lock and which objects have locks?
1548.
What state does a thread enter when it terminates its processing?
1549.
How would you implement a thread pool?
1550.
Is there a separate stack for each thread in Java?
1551.
What is the SwingUtilities.invokeLater(Runnable) method for?
1552.
What is the volatile modifier for?
1553.
Which class is the wait() method defined in?
1554.
What is a green thread?
1555.
What is a working thread?
1556.
What is the JSF?
1557.
What is JavaServer Faces event and listener model?
1558.
What is JavaServer Faces conversion model?
1559.
What is JavaServer Faces UI component class?
1560.
What is JavaServer Faces expression language?
1561.
What is JavaServer Faces navigation model?
1562.
What is JavaServer Faces Technology?
1563.
What is JavaServer Faces UI component?
1564.
What is JavaServer Faces validation model?
1565.
What is the difference between JSP and JSF?
1566.
What are tags in JSF?
1567.
What is JSF life cycle and its phases?
1568.
What is Render Kit in JSF?
1569.
What is JBOSS?
1570.
What is JBoss cache in short?
1571.
What is JBoss JBPM?
1572.
How do you monitor JBoss and detect the bottleneck of an application?
1573.
What is JTA?
1574.
What is the difference between Hibernate and EJB 3? Do not you think EJB 3 is just a clone of Hibernate?
1575.
Which Hibernate object wraps the JDBC Connection?
1576.
Is the Session Factory Thread safe?
1577.
How can you start a JTA transaction from a Servlet deployed on JBoss?
1578.
What if you need to span your transaction across multiple Servlet invocations?
1579.
What are the differences between EJB 3.0 and EJB 2.0?
1580.
What is the diffrence between a local-tx-datasource and a xa-datasource? can you use transactions in both?
1581.
What do you need to set-up a cluster with JBoss?
1582.
What optimization could I use if the EJB container is the only point of write access to the database?
1583.
Which component handles cluster communication in JBoss?
1584.
Is it possible to put a JBoss server instance into multiple cluster at the same time?
1585.
What do you know about Seam?
1586.
Does Seam run on other application servers besides JBoss?
1587.
Which JDK is needed to run Seam?
1588.
How would you convince my IT department to adopt SOA?
1589.
What do you think about BPEL and BPM ? How do they compare?
1590.
What is the difference between JAX--WS and JAX-RPC?
1591.
Do you know how you could add support for Web Service transactions?
1592.
What version of JBoss AS do I need to run Seam?
1593.
Can I run Seam outside of JBoss AS?
1594.
Can I run Seam in a J2EE environment?
1595.
Can I run Seam with JDK 1.4 and earlier?
1596.
Where can I find Seam examples and documentation?
1597.
Is it true that Seam only works with JSF?
1598.
Can I use AJAX with Seam?
1599.
Can I unit test Seam applications without starting the Application Server?
1600.
How to handle exceptions without using try,catch,throw, and log4j?
1601.
What does a constructor does?
1602.
What is swing and jsp. Where we use swings and jsp?