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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

How to deploye the java application in web logic server please brief explain with screen shot please help me ?

4 9140

What is private static final long serialVersionUID = 1L;

3 16678

System.out & System.in are final static data member of System class but we can change there reference through setOut() & setIn() method how...

FCS, TCS,

2 6049

difference between vectorlist and hash

TCS,

1 4230

what are the different phases in delivering the project during development and maintenance?

CTS,

4614

Does WLS supports CORBA?

Cap Gemini,

2 8038

why HashTable not allow null key and value

Crimson Logic,

2 22459

why string constant pool in java

TCS,

2 8966

why Bean class implements all business method of Remote interface but bean bean class not implements the remote interface

Polaris,

2467

why top level class could not be static

L&T,

3 13081

The following program is Overloading or Overriding? public class PolymorphismEx { public int sampleMethod(int a) { return a; } public String sampleMethod(int a) { return "Is it Overloading or Overriding???"; } }

Ness Technologies, TCS,

4 7605

I Have a class abstract with one abstract method, so that method should override in the subclass, but i dont want to override, if i am not override what will happen? If compilation will occur then i dont want to give compilation error, then what we need to do??? See the sample program. public abstract class AbstractExample { public abstract void sampleMethod(); } public class AbstractExampleImple extends AbstractExample { }

Mphasis,

2 6032

what is the use of module in weblogic

Polaris,

1 3602

is it mandatory to deaclare all variables public static fianl in interfaces?if i declare like in the below program, public interface A { public static final int I=0; int j=0; } in interface A,what is the difference between I,j?

2 4547

public class Test { public static void main(String[] args) { int countA = 0; int countB = 0; int countC = 0; int countD = 0; int countE = 0; int countF = 0; int countG = 0; int countH = 0; int countI = 0; int countJ = 0; int countK = 0; int countL = 0; int countM = 0; int countN = 0; int countO = 0; int countP = 0; int countQ = 0; int countR = 0; int countS = 0; int countT = 0; int countU = 0; int countV = 0; int countW = 0; int countX = 0; int countY = 0; int countZ = 0; } } Can anybody tell me any alternate solution(like loop or something) to automate this initialization process. Ex:- for(char chr='A';chr<='Z'; chr++) { (int) String "count"+chr = 0; }

2335

Un-Answered Questions { Java Related }

What is the static import?

1102

What is the name of the java compiler?

1051

What is pojo model?

476

What is derived datatype?

1212

What Is The Purpose Of Clustering ?

1047

How are multiple inheritances done in Java?

1134

Which one is the default transaction factory in hibernate?

376

What are the packages are used in jdbc?

1039

Hibernate SessionFactory is thread safe?

366

How would you create a button with rounded edges?

1145

Write a program to solve producer consumer problem in java?

1006

Can struts and spring be used together?

428

What is a control variable example?

1011

What are the different methods involved in the process of session management in servlets?

1267

What is the return type of the main method?

1033

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