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

Core Java Interview Questions

Questions Answers Views Company eMail

how to transactions(Bank transactions) in business process in ejb?

Photon,

1 4585

what is use of session tracking ?with example?

Photon,

1 7258

why ,we are using jsp and html.which one is better?

Photon,

2 10204

what is the use of servlet engine?

Photon,

2 11194

what is ejb? what is the importance of ejb?

Photon,

2 10402

what is jndi?

TCS,

1 4978

what is java bean?where can we use it?

TCS,

12 30238

what is features of jdk 1.5?

Accenture, Satyam, TCS,

2 13449

different types of threads?

TCS,

18 57386

in a constructor what happen if u call super and this in the same class? i know that it is not possible to call both in the same one? if we call what will happen?

ITC Infotech,

10 15490

how exactly garbage collection take place?

4 7205

when i write string s1="java"; in one program(application) and string s2="java"; in another application on the same jvm will both objects s2,s2 will refer to same memory location where "java" is stored in string pool.

2 5667

Why operator overloading is not in Java?

2077

What is the difference between throw and throws? What is the similarity between try and throw?

2 5747

What is the need of "creating and throwing an UserdefinedException" when the "Exception" class is already available?

4 6763

Post New Core Java Questions

Un-Answered Questions { Core Java }

What does serializing data mean?

941

Is int a class in java?

985

What variables are stored in stack?

974

What is an object's lock and which object's have locks in java programming?

1048

What is static keyword in java?

1001

Is void a type?

978

What is java util concurrentmodificationexception?

911

Can java run on google chrome?

1195

What is the difference between a method and a procedure?

1065

What is high level language in computer?

1020

What initialize variables?

1023

What is wrapper class html?

940

Is java hashset ordered?

1113

What are java annotations?

1159

What is meant by null and void?

970

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