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 classes of exceptions, thrown by a throw statement?

2 8464

garbate collector(GC)?

4 7675

Realized?

2189

What is the specification of ?CODEBASE? in an applet?

1 4185

When you Click a Button, What event will be fired?

5 7337

What error occurs if a try-catch-finally statement sequence does not have a catch clause?

4 8648

What happens if an exception is not caught?

Amazon,

6 17261

What happens when you assigned a 'double' value to a 'String'?

8 11219

AWT event listeners extends what interface?

1 3232

How listener identify that the event came from a particular object?

1995

What is AppletStub?

1 3523

What is Connection pooling? Explain Pros and Cons?

1 9625

What is constructor and virtual function?

5 11571

Can we call virtual funciton in a constructor ?

XX,

2205

What is an Exception ?

10 14897

Un-Answered Questions { Java J2EE }

What is clustering and what is achieved through it?

1086

Why is stringbuffer not immutable?

1082

What is OOP Language?

1075

Where are the files placed while deploying the resource adapter in web logic server?

1272

What is the difference between length and length() method in java?

1120

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

960

Can we declare a class as abstract without having any abstract method?

1001

What is the default size of arraylist in java?

1128

What is use of set in java?

1005

What are the types of java?

1106

Can a class have an interface?

992

What is digest authentication?

1009

What is re-entrant. Is session beans reentrant. Is entity beans reentrant?

1062

Why is java not 100% pure oops?

1170

How can you add and remove nodes in jtree?

1044

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