Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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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 6487

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

3 8468

what is main difference b/w abstract class and interface

4 8427

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

HCL,

2 5422

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 33636

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 4598

what is the first indian president name

Infosys, Intelligroup,

20 28314

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 6148

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....

1 2405

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

3 9110

What is Visual Source Safe(source control Tool)?

1 4703

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

3 7362

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

8 15980

why interfaces are faster than abstract classes?

4 20620

how to call a method in different package?

4 20997

Un-Answered Questions { Java J2EE }

Explain public static void main(string args[]) in java.

1066

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2866

Write a program to find the whether a number is an Armstrong number or not?

1095

How to sort array in descending order in java?

989

What is the difference between break and continue statements?

1120

What is difference between @controller and @restcontroller in spring?

541

what are the different modes of archival? Explain each mode in two lines each?

996

What is an object in java and how is it created?

1129

What do you mean by an interface in java?

1095

explain different ways of using thread? : Java thread

1079

What is java string pool?

1076

Find Best Job Vacancies across the world on Jooble!

136

Realized?

2257

Differentiate between static and non-static methods in java.

1118

What is a classloader in java?

1086

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