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 is contractor means and methods?

994

What are the drawbacks of singleton class?

1000

What is predicate in java?

1052

Can constructor be static or final?

1084

What is difference between pointer and reference?

1064

Can you pass by reference in java?

971

What are the 5 types of research methods?

1137

Can two objects have same hashcode?

995

Can we execute a program without main?

1014

What are the advantages of inner classes?

1020

Can singleton class be serialized?

946

What are the types of methods in java?

1112

Can final class have constructor?

917

Can we inherit a class with private constructor?

1120

What is blank final variable?

1062

Un-Answered Questions { Java J2EE }

Describe responsibilities of Activator?

2267

What are the benefits of PreparedStatement over Statement?

1002

What is the spring data?

396

Is there any documentation available on how best to configure Microsoft Active Directory with WebSphere Application Server?

932

Which type of driver is unique in jdbc?

985

How do you determine the sensitivity of the ResultSet object?

982

In how many ways we can do synchronization in java?

961

What are the custom tags?

902

What is the difference between Java1.4 and Java1.5

2305

What is a class loader?

1873

How do you allocate memory to object?

986

What are the different types of java?

1059

What is the benefit of having jdbcrowset implementation? Why do we need a jdbcrowset like wrapper around resultset?

946

which book is better for jdbc ,servlets and jsp

2099

Explain the use of shift operator in java. Can you give some examples?

970

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