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 does yield method of the thread class do?

1052

Difference between start() and run() method of thread class?

1081

Explain about exception propagation?

1064

What are the types of exceptions?

1073

How to stop a thread in java? Explain about sleep () method in a thread?

1034

What is meant by overloading?

1089

What are exception handling keywords in java?

1058

What is meant by method overriding?

1130

What is the purpose of a transient variable?

1085

Difference between notify() method and notifyall() method in java?

986

Explain about public and private access specifiers?

1079

What do you mean by constructor?

1007

What is the disadvantage of synchronization?

1032

Explain about wait() method?

1041

What are the java ide’s?

1064

Un-Answered Questions { Java J2EE }

What is the use of qualifier?

429

What do you mean by byte code?

1019

What is meant by null and void?

995

Name the packages that work with servlet?

1021

What are transaction isolation levels in ejb?

1042

What is the use of jsonvalidation?

1159

Explain the access modifiers for a class, method and variables?

1160

What is 16 bits called?

964

Explain design patterns which is used in struts?

993

You are noticing a performance impact on your application and you suspect the underlying operating systemresources might be causing the issue, what steps would you take to narrow down the issue?

1087

What is subsequence of a string?

1123

What is use of a abstract variable?

1009

What is the purpose of garbage collection in java? When is it used?

1064

What is meant by lazy loading in hibernate?

417

How are java objects passed to a method and what are native methods?

1099

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