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 is externalizable?

1084

What happens to a static var that is defined within a method of a class?

1043

What modifiers are allowed for methods in an interface?

1186

Why is an interface be able to extend more than one interface but a class can’t extend more than one class?

1187

Which non-unicode letter characters may be used as the first character of an identifier?

1019

Why does java not support operator overloading?

1158

I want to print “hello” even before main is executed. How will you acheive that?

1115

What is an abstract class and what is it’s purpose?

976

Class c implements interface I containing method m1 and m2 declarations. Class c has provided implementation for method m2. Can I create an object of class c?

1633

Can an interface be final?

1051

What is use of a abstract variable?

1008

Can a class be declared as static?

1188

What is the difference between an if statement and a switch statement?

1178

Can we define private and protected modifiers for variables in interfaces?

1103

What is a pointer and does java support pointers?

1024

Un-Answered Questions { Java J2EE }

How to instantiate member inner class?

1102

How does dao work? : Spring Boot

465

Name few java 8 annotations ?

1040

Which xml parser comes with weblogic server 6.1? : BEA Weblogic

923

How many categories of jdbc drivers are there?

934

Describe the method used to create an hql query and sql query?

352

What are the differences between wait() and sleep()?

1032

what is an execution group?

964

Is there any limitation of autowiring? If yes, explain.

419

Can a class be final?

959

Can interface be private in java?

1043

Can we overload the main() method?

1060

What are the steps to publish a controller command as a web service?

958

Why java applets are more useful for intranets as compared to internet?

1095

Which sort is best in java?

993

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