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

Brief the life cycle of an applet.

1 720

What are the observer and observable classes?

1 1038

Explain JPA in Java.

1 817

Briefly explain the term Spring Framework

1 792

Difference between static methods, static variables, and static classes in Java.

1 919

What is a Java Virtual Machine?

1 778

. Define Copy Constructor in Java

1 809

Can Java be said to be the complete object-oriented programming language

1 807

Define Wrapper Classes in Java.

1 745

Define package in Java.

1 775

. Differentiate between instance and local variables.

1 857

. Explain Java String Pool.

1 799

What happens when the main() isn't declared as static?

1 796

Why is Java a platform independent language?

1 879

Why is the main method static in Java?

1 882

Un-Answered Questions { Java J2EE }

Is int a class in java?

976

What is the difference between jdk and jre?

1049

Why Java is not pure Object Oriented language?

1095

What is the use of spring data?

415

What is the spring framework used for?

474

What are the topics in core java?

1056

Why is string immutable in java?

1090

Whenever we see a very slow response from server-side, then what all thing we need to look into?

950

Write a program to calculate factorial in java?

997

Is java programming easy?

984

What do you know about java?

938

Explain the difference between serializable and externalizable in java?

1048

What is meant by jms?

886

What are the methods to rectify ambiguities in the interfaces in JAVA?

1077

A non-static inner class may have object instances that are associated with instances of the class’s outer class. A static inner class does not have any object instances.

1010

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