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?

1162

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

983

what is anonymous class in java?

1034

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

983

Explain the difference between abstract classes and interfaces in java?

1182

How we can make copy of a java object?

1100

Explain different states of a thread in java?

1058

What are the java ide's? Explain

1053

what do you mean by classloader?

1092

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

985

What is java and why do we need it? Explain

1139

what is interface in java? Explain

968

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

1004

What is the purpose of the system class in java?

1048

Why java is a platform independent? Explain

1091

Un-Answered Questions { Java J2EE }

What is the use of application server?

515

How many characters is 2 bytes?

994

Explain why wait(), notify() and notifyall() methods are in object class rather than in thread class?

1007

What are the six ways to use this keyword?

1061

How is annotating helpful?

383

Can you create a deadlock condition on a servlet?

1085

how to run ecllipse with jettyserver for windows environment using batch file

2090

Who took over ejb?

1062

What is the emergency log message?

1023

What’s the default was port?

912

Explain about strings in java?

1074

In java, what is the difference between method overloading and method overriding?

1123

What is a byte array?

1101

What is visibility mode?

969

What is main string [] args?

993

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