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Java J2EE Interview Questions
Questions Answers Views Company eMail

How many ways to remove the session object in the container

Bosch,

6 16083

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

 2 11326

How to send a request to garbage collector?

 4 6920

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,

2056

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 7834

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

IBM,

3 20258

What happens when database down in weblogic

HCL,

8 21826

What is the use of RequestDispatcher in servlet?

Accenture, CTS, TCS,

18 50514

How can you say HashMap is syncronized?

Arete, IBM,

14 16546

difference between sql exception class and sql warning class

 1 5385

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

IBM,

2 5444

can v create a constructor 4 servlet?

Satyam,

7 12077

which pattern is default in scanner package?

Satyam,

1803

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

Satyam,

3 16247

what is the use of private constructor in core java?

OnMobile, Satyam, Yash Technologies,

3 18312

Un-Answered Questions { Java J2EE }

What is spring in java with example?

141

What is jms (java messaging service)?

473

What is the order of arraylist in java?

612

What are access specifiers available in java?

582

Which containers use a border Layout as their default layout in swing?

566




What is an immutable class?

619

How do clients handle dns requests to failed servers?

494

How do I issue the close() method within an onmessage() method call and what are the semantics of the close() method? : BEA Weblogic

490

What is the difference between a method and a function in alice?

579

What is DML?

577

Why hibernate and how does it help in the programming?

161

What is the difference between @component and @controller?

165

What do you understand by annotation in ejb to do the database entity relationships/mappings with examples?

564

What is @entity in java?

532

What is the servletconfig object?

534

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