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

Can we convert list to set in java?

1001

What are sets in java?

952

What is hashmap in java?

1062

Are arrays static in java?

1060

What is array and arraylist in java?

1117

Can a hashset contain duplicates java?

981

Which collection is thread safe in java?

997

Which collection is best for sorting in java?

1128

What is the maximum size of arraylist in java?

1010

What is the size of arraylist in java?

1030

What is use of arraylist in java?

1181

Which java collection does not allow null?

1155

What is listnode in java?

997

Which collection does not allow duplicates in java?

982

What is arraylist e in java?

1063

Un-Answered Questions { Java J2EE }

Explain differences between checked and unchecked exceptions in java?

1070

What initialize variables?

1031

What is return data type?

1009

What is the use of @repository in spring?

437

Why do we need wrapper class?

1002

Explain method local inner classes ?

1042

who issues a certificate, explain in detail?

913

Can we call virtual funciton in a constructor ?

2208

What is a nonetype?

1128

How to send xml message to jms queue using java?

873

Why is java not 100% pure oops?

1173

What is the difference between jdbc and jndi?

1010

What is the difference between exception and error in java?

1023

Is 0 an even number?

985

Does jdbc use ssl?

939

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