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

How many ways to remove the session object in the container

Bosch,

6 18306

How to perform Singleton of the java class object on multi JVM?

2 12635

How to send a request to garbage collector?

4 8322

while working struts in intellij 7.0error unable to initialize tld location cache: zip file is closed is displayed anybdy can answer me immdialy .ungert

Banking,

2580

when i run Frame program, it display output in supparate window.i try to close using "X" it not close.min'-' & max'+' are working.pls what is problem? i run in editplus. folowing program i given. import java.awt.*; class Form1 { Frame f1=new Frame("loginpage"); Label l1=new Label("username"); Label l2=new Label("password"); TextField tf1=new TextField(); TextField tf2=new TextField(); Button b1=new Button("submit"); Form1() { f1.setLayout(new FlowLayout()); f1.add(l1); f1.add(tf1); f1.add(l2); f1.add(tf2); f1.add(b1); f1.setSize(437,440); f1.setVisible(true); //f1.dispose(); } public static void main(String[] args) { Form1 f=new Form1(); } }

4 9267

java.lang.IllegalArgumentException: The path of an ForwardConfig cannot be null while working with struts it displayed pls very ungent

IBM,

3 21994

What happens when database down in weblogic

HCL,

8 24641

What is the use of RequestDispatcher in servlet?

Accenture, CTS, TCS,

18 56070

How can you say HashMap is syncronized?

Arete, IBM,

14 21150

difference between sql exception class and sql warning class

1 6314

How to handle when the database crashes while reading the data from the database?

IBM,

2 6886

can v create a constructor 4 servlet?

Satyam,

7 14331

which pattern is default in scanner package?

Satyam,

2253

what is d difference between deep cloning and shallow cloning in core java?

Satyam,

3 17615

what is the use of private constructor in core java?

OnMobile, Satyam, Yash Technologies,

3 19683

Un-Answered Questions { Java J2EE }

What is java object name?

1026

What is crud in spring?

506

What is meant by distributed application? Why are we using that in our application?

971

What type of transaction management spring support?

582

What are construction struts?

958

Can a function return a function?

1060

What is method overloading in java ?

1117

Can arraylist hold different types java?

1011

Why is it called boolean?

1029

What is data movement?

1172

What happens when a failure occurs and the stub cannot connect to a weblogic server instance?

999

What are synchronized blocks in java?

1223

How do stubs work in a WebLogic Server cluster ?

1064

Why do we need jms?

893

What is @transactional in jpa?

445

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