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

How many types of packages are there in Java?

5 1421

Explain different data types in Java.

5 1385

Can we declare Pointer in Java?

5 1625

What is the default value stored in Local Variables?

5 1546

Difference in the use of print, println, and printf.

5 1295

Is it possible to make an array volatile?

4 1424

What is an object-oriented paradigm?

5 1508

What are the Memory Allocations available in JavaJava?

1 762

What is a singleton class in Java? And How to implement a singleton class?

2 892

Can you explain the Java thread lifecycle?

1 886

In the below Java Program, how many objects are eligible for garbage collection?

1 1045

What is JDK? Mention the variants of JDK?

1 886

What are Brief Access Specifiers and Types of Access Specifiers?

1 862

Explain Method Overloading in Java.

1 966

Give a briefing on the life cycle of a thread.

1 881

Un-Answered Questions { Java J2EE }

What is the difference between ojdbc6 and ojdbc7?

879

What are logics in reference to web logic servers?

947

Why is it called a string?

1000

what is predefined function in java?

976

What is sortedmap interface?

979

Is java a web technology?

928

What is null object in java?

1009

Are there c/c++ interfaces to wls jms?

862

What do you mean by actionform?

973

What exactly is java?

937

What is the maximum size of arraylist in java?

998

You're given a Boolean 2D matrix, can you find the number of islands?

1084

How large is a boolean?

1007

How does singleton class work?

981

What are managed associations and hibernate associations?

407

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