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

Java J2EE (14736)
J2ME (151)
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Java Related Interview Questions

Questions Answers Views Company eMail

Describe, in general, how java's garbage collector works?

1050

What is threadfactory?

1113

How substring() method of string class create memory leaks?

1060

Do you think that java should have had pointers?

1080

Why is string immutable in java?

1110

Can constructors be synchronized in java?

1137

What is a class loader? What are the different class loaders used by jvm?

1124

What are various types of class loaders used by jvm?

1012

Is jvm a overhead?

1115

What is the difference between long.class and long.type?

1132

What is the difference between system.out ,system.err and system.in?

1121

What is a class loader?

5 1931

Explain the different types of memory used by jvm?

1156

Which are the different segments of memory?

1103

Difference between new operator and class.forname().newinstance()?

1150

Un-Answered Questions { Java Related }

What are the 5 steps of orm?

349

What is int short for?

1064

What is the difference between session scope and request scope when saving formbean ?

1008

What do you mean by the deployment descriptor?

1000

Why do we need wrapper class?

1007

What is the purpose of the main method?

1006

Is j2ee a framework?

943

What is == in java?

1031

Explain about extended deployment?

942

Write a program to show the functionality of doget and dopost method?

1228

What is jit and its use?

999

What is meant by tab pans?

1264

What configurations are stored in struts configuration file ?

1012

How to change the default portal uri /wps/portal after installation ?

945

Is hibernate better than jdbc?

372

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