Core Java Interview Questions
Questions Answers Views Company eMail

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

Photon,

1 3798

what is use of session tracking ?with example?

Photon,

1 5940

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

Photon,

2 9146

what is the use of servlet engine?

Photon,

2 10026

what is ejb? what is the importance of ejb?

Photon,

2 8782

what is jndi?

TCS,

1 4299

what is java bean?where can we use it?

TCS,

12 26672

what is features of jdk 1.5?

Accenture, Satyam, TCS,

2 12407

different types of threads?

TCS,

18 52451

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 12909

how exactly garbage collection take place?

4 5273

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 4646

Why operator overloading is not in Java?

1541

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

2 4848

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

4 5360


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Un-Answered Questions { Core Java }

What are the differences between processes and threads?

502


What is data movement?

650


What is a short in java?

490


How do you find the absolute value?

551


How do you take thread dump in java?

542






What is the use of java?

522


Can a lock be acquired on a class in java programming?

524


What is main string [] args?

515


What is a method signature java?

562


How do you remove duplicates in java?

511


What is a stringbuilder?

498


Define the term string pool?

571


Can arraylist hold different types java?

477


What is listnode in java?

526


Explain about the performance aspects of core java?

546