Java J2EE Interview Questions
Questions Answers Views Company eMail

when,where and how to use abstract class and interface

2 4730

explain oops concepts with examples?

AbhiBus, Beeline, DELL, HCL, Satyam, TCS, VLS, Wipro,

29 197243

how can u create the object with out new operator

2 8139

why the constructor should be used in class,if there is no constructor what will happen?

4 6269

explain the clone method and clonable interface

1 6817

what are depricated methods in threads and explain the lifecycle methods

CTS,

5 11150

explain the classification of exception and hoew to handle the exceptions

2 9128

what is java

10 8933

what does the method Class.forName returns?

Siemens, TCS,

4 14473

what is Assertion?

Wipro,

4 13810

When does the compiler supply a default constructor for a class?

TCS,

9 15521

Which Math method is used to calculate the absolute value of a number?

Accenture,

3 8450

How does serialization work

Ordain Solutions,

3 9996

To what value is a variable of the Boolean type automatically initialized?

3 7243

What is the exact difference in between Unicast and Multicast object ?

Accenture,

4 25038


Un-Answered Questions { Java J2EE }

Can an arraylist be empty?

568


What are the appserver components?

497


What is array list in java?

593


What is a final class in java?

547


What is a vector in java?

578






What is ehcache in hibernate?

159


What is java naming and directory service?

526


What is container-managed transaction?

581


In the below example, how many string objects are created?

561


What are peerless components in java programming?

587


What is the role played by sessionfactory interface in hibernate?

161


What are operators and its types?

578


What is the final keyword denotes?

680


How to call stored procedure in hibernate with out parameter example?

139


How many bits are used to represent unicode, ascii, utf-16, and utf-8 characters in java programming?

561