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Java J2EE Interview Questions
Questions Answers Views Company eMail

when,where and how to use abstract class and interface

 2 5664

explain oops concepts with examples?

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

29 204534

how can u create the object with out new operator

 2 9070

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

 4 7775

explain the clone method and clonable interface

 1 7582

what are depricated methods in threads and explain the lifecycle methods

CTS,

5 12799

explain the classification of exception and hoew to handle the exceptions

 2 10023

what is java

 10 11445

what does the method Class.forName returns?

Siemens, TCS,

4 15929

what is Assertion?

Wipro,

4 15110

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

TCS,

9 18300

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

Accenture,

3 9940

How does serialization work

Ordain Solutions,

3 11088

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

 3 8515

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

Accenture,

4 26883

Un-Answered Questions { Java J2EE }

What is the purpose of hql in communication between hibernate and rdbms?

507

What is bitwise complement?

981

Can we declare the static variables and methods in an abstract class?

990

What is purpose of keyword void?

1044

What is ioc or dependency injection?

424

What exactly is dependency injection?

443

What is entry in java?

1032

What do you know about the garbage collector?

1112

What is the difference between final, finally and finalize()?

1148

What is java spring boot used for? : Spring Boot

483

What is a lambda expression ? What's its use ?

1102

What are the websphere editions available?

897

What is application configuration resource file?

915

Why is ejb needed?

967

What is the properties class?

1087

For More Un-Answered { Java J2EE } Questions Click Here