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 the full form of java

3 9250

what is the diffrence between class and object?

5 6684

import java.io.*; class Demo { public static void main(String args[]) { File f=new File("1234.msg"); String arr[]=f.list(); System.out.println(arr.length); } }

IBM, Ramco,

3 6628

how jvm allocates memory for stack?

HP, Ramco,

1 4475

What is dynamic dispatch in java?

4 8543

how can u cal servlet from java?

7 11152

what is the difference between String and StringBuffer classes?

Infosys,

2 5504

what are the major differences between jdk1.4 and jdk1.5?

Cap Gemini, Crimson Logic, Infosys, TCS, Tenth Planet,

2 14553

how to connect from struts to database through hibernet and where u can modify the class

Polaris,

2554

In treeset we add same object ...what will be the out put

3 5360

why java main method is given as static method?

2 4410

what is Abstract DataType?

1 3491

why operator overloading is removed in java?

1 4140

wat is final...? wat is finally...? wat is finalize....? difference between " final and finally and finalize "...?

2 4505

can we override the main() method in java????

Vimukti Technologies,

3 7247

Un-Answered Questions { Java J2EE }

How do you sort in ascending order in java?

871

What is consumer in java?

968

Where pragma is used?

1041

What does substring mean?

973

Explain the complete struts validator framework.

1014

Categorize the different types of modules in spring framework.

420

How dead lock situation occurs in java and how you can identify it?

990

What is application component provider?

996

What are advantages of spring usage?

408

What is string pooling concept?

1070

What class of exceptions are generated by the java run-time system?

1188

Why string is immutable with example?

967

Why singleton class is used in java?

1126

What is javamail?

937

Explain the war file?

1067

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