Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

What are the restriction imposed on a static method or a static block of code?

1059

What will happen to the exception object after exception handling?

996

What will happen if static modifier is removed from the signature of the main method?

969

What is the difference between superclass and subclass?

1175

What is meant by inheritance and what are its advantages?

1106

Under what conditions is an object’s finalize() method invoked by the garbage collector?

1044

If a method is declared as protected, where may the method be accessed?

1016

What is constructor chaining and how is it achieved in java?

1151

Variable of the boolean type is automatically initialized as?

1010

What is dynamic binding(late binding)?

1051

What is the difference between the prefix and postfix forms of the ++ operator?

1021

Which method must be implemented by all threads?

1265

What is nested class?

1000

What is dot operator?

1036

What is method overloading and method overriding?

1064

Un-Answered Questions { Java J2EE }

What’s the difference between @component, @repository & @service annotations in spring?

431

Is jdbc secure?

978

Why does java not support pointers?

1102

Does sprintf add a null terminator?

1099

what are RemoteObjects?

2743

What are the two types of rendering portlets ?

812

How struts 2 validation works?

1083

how can we write the mqsc commands that have too many parameters?

848

How do you identify if jvm is 32-bit or 64-bit from java program?

968

how to define a buffer pool for holding messages in main storage? Explain?

885

How do you remove duplicates from an array in java?

956

What is generic type?

1029

what happen if we set JDBC string to NULL?

3396

What is the better method of using jdbc in spring?

432

What are the important features of Java 8 release?

1085

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