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

Define an applet in java?

1242

What is the differences between heap and stack memory in java? Explain

1034

what is anonymous class in java?

1100

What is the difference between the ">>" and " >>>" operators in java?

1039

Explain the difference between abstract classes and interfaces in java?

1271

How we can make copy of a java object?

1154

Explain different states of a thread in java?

1128

What are the java ide's? Explain

1135

what do you mean by classloader?

1168

Explain the difference between an object-oriented programming language and object-based programming language?

1029

What is java and why do we need it? Explain

1214

what is interface in java? Explain

1037

what is the constructor and how many types of constructors are used in java?

1047

What is the purpose of the system class in java?

1102

Why java is a platform independent? Explain

1166

Un-Answered Questions { Java J2EE }

What is JFC?

1336

Can I enable requests to a jdbc connection pool for a database connection to wait until a connection is available?

969

What is external subset?

1043

What is meant by gc, prallel gc, full gc and explain it?

1051

What is the difference between databean and accessbean?

964

Which oo concept is achieved by using overloading and overriding?

1066

What is jms in java?

896

What is the right data type to represent a price in java?

1028

Is nullpointerexception checked or unchecked?

1076

Explain session tracking and its importance?

1057

What does bean scopes spring support? Explain each.

482

What is private static class in java?

1074

What is a servlet context?

1241

What is append in java?

1250

What is run time allocation?

1083

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