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Java J2EE Interview Questions
Questions Answers Views Company eMail

Why we use static and synchronized in method for single thread model example: public static synchronized add(){}

 2 5237

what is the main use of the RequestDispatch object, how we this in realtime project

 3 6652

what is main difference b/w abstract class and interface

 4 6770

explain why we say stateless beans does not maintain conversation state besides statefull maintains conversation state. give some examples...

HCL,

2 4319

if arraylist size is increased from initial size what is the size of arraylist...suppose initial is 100 , if i add 101 element what is the size...

 10 30551

Hi........I need to create a dropdown box using java.....this box should show the values that should be taken from the database...... Thank you....

 1 3718

what is the first indian president name

Infosys, Intelligroup,

20 20771

Is it Mandatory to map each pojo class variable with table column in Hibernate? Is there any alternative to skip some of those? Thanks in advance...

Span Systems,

2 5056

hey how can i give words instead of url in orkut?? eg:"click here" instead of a url..when i clik that word it should direct to another page..please help me....

 1797

what is the current version of JDBC? and explain its features?

 3 7775

What is Visual Source Safe(source control Tool)?

 1 3814

Is multiple try block is possible in single java Application......

 3 5948

Is System.err.println(""Statement"); is execute the output on console . Example: System.err.println("Hello JAVA");

 8 13099

why interfaces are faster than abstract classes?

 4 18595

how to call a method in different package?

 4 19222

Un-Answered Questions { Java J2EE }

What is java and why do we need it? Explain

585

What are the four types of J2EE modules?

563

What is the difference between 2 types of servlets?

647

What is difference between equal and == in java?

524

What are the different application servers and web servers supporting j2ee technology?

466




Explain the difference between awt and swt.

553

If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?

596

Why we cannot override static method?

561

What does @bean do in spring?

162

How many modules are there in spring? What are they?

170

Is array a class?

523

Is swing still used?

501

What is the application context in spring?

154

What is the Default admin port?

496

what type of files are required to deploy an application into websphere. How can they be installed?

503

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