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

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Servlets (804)
Struts (701)
JDBC (771)
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Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

What is externalizable?

1059

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

1027

What modifiers are allowed for methods in an interface?

1156

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

1163

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

1007

Why does java not support operator overloading?

1133

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

1081

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

957

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?

1612

Can an interface be final?

1026

What is use of a abstract variable?

986

Can a class be declared as static?

1167

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

1158

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

1075

What is a pointer and does java support pointers?

1003

Un-Answered Questions { Java J2EE }

How can you check the status of an order?

849

Explain briefly the client-server architecture.

1002

What are the main concepts of oops in java?

1738

Is spring boot a lightweight? : Spring Boot

465

What are the kinds of http requests?

1035

Why can't we add products while specifying target catalog entry in promotions?

829

What are the steps involved in creating a strut application?

952

What is javamail?

936

Difference difference paint() and paintcomponent()?

994

Where should struts xml be placed?

920

Can you have two constructors in java?

976

What is Request Dispatcher?

1430

What does nextint () do in java?

972

What are the advantages of spring framework?

499

What is jdbc thin client?

963

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