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

what do u mean by java bean??

ADP,

2 6322

Why sun introduce concept of anonymous class? What is need and real life use of anonymous class

2202

What is the use of ActionErrors in Struts

1 4439

How to Sort Strings which are given in List and display in ascending order without using java api.

LIC,

1 4431

How to Sort list of Strings in ascending order without using java api.

HCL, NIIT,

1 13261

what is proxy? how it is used in real time?

1 6847

what is the main key difference(s) between all application servers? (WebLogic and Websphere and Jboss)

1 3844

Why we need method overriding in JAVA ? I mean which method I have to override I can write that method in my Class.

1 3588

If I will write String s=new String("XYZ"); String s1=new String("XYZ"); if(s.equals(s1)){ sop("True"); } else{ sop("False"); } This program will give me "True". But When I am creating my own class suppose class Employee{ public Employee(String name); } Employee e= new Employee("XYZ"); Employee e1 = neew Employee("XYZ"); if(e.equals(e1)){ sop("True"); } else{ sop("False"); } Then it will give the output as "False". Can I know what is happening internally?

5 9027

aabccdee Find the used alphabets as abcde ?

4 6091

which is the GOOD INSTITUTE to learn WEBLOGIC & SOA ADMIN in Hyderbad?

TCS,

2 6144

Write a Java program to deactivate a cell phone when authentication failed

2154

there are N number of matchboxes numbered 1...N.each matchbox contain various number of stick.Two player can alternatevely pick some amount of stick from the higest stick containing box . The player is condidered win if there is no stick after his move.Find the final move so that the move player win. Note:In case the number of stick is equal ,pick the stick from the higest numbered box.

Manhattan,

1990

solve (x-1)(x-9)=8;

IBM, Manhattan, TCS,

3 5574

what r the General SHIFTING TIMES for WEB LOGIC ADmin? mostly my frnd said night sifts ? Is it Right?

3 6461

Un-Answered Questions { Java Related }

What is the difference in between cpp and java? Can u explain in detail?

1089

What is javax annotation generated?

939

Why use hibernate framework?

468

What is unidirectional and bidirectional?

356

How does the java compiler work?

970

Can we override constructors?

994

What is jvm? Why is java called the platform independent programming language?

1017

What is the difference between the session.update() method and the session.lock() method?

1003

What is the difference between C++ and Java and your preferences?

1109

What is hql in hadoop?

329

What causes memory leak in java?

931

What do you mean by optimistic locking?

931

What is the list of pre-configured queues?

972

What is the exact difference in between unicast and multicast object? Where we will use?

994

Is spring a singleton component?

421

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