Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

What is the purpose of premetive data types in java?

Merrill Lynch, TCS,

2 8271

Howmany number of objects we can store in an ArrayList. Is there any limit?

TCS,

7 14571

What is the basic functionality of DataOutput interface in java?

TCS,

2 6166

Can we inherit the constructor in a Class?please give one example.

iGate,

9 19603

Why do we use public static with the main function in Java?

College School Exams Tests, Infosys,

13 21048

What is the difference between overloading and overriding a function?

eG Innovations, Infosys, TCS,

13 24264

How u validate date in DD/MM/YY format. and how u validate money in ur jsp

Ashok Leyland, Satyam, Tech Mahindra, Tomax,

3 8913

when we have to use final class in java?

2 7807

how to minimize the functionality to will not force garbage collector?

2 4583

Life Cycle of Thread

IBM,

4 11102

If we disable cookies in our web page, what will happen?

Zensar,

6 17956

what is the difference between Cpp And Java

Infosys,

15 27992

what is the use of reference variable

6 22729

httt method

HCL,

2 6041

what is difference between vector and arraylist?.

C DAC, HCL,

4 12124

Un-Answered Questions { Java J2EE }

What are the two categories of data types in the java programming language?

985

What does regex mean?

1013

Is set sorted in java?

932

What is default cascade in hibernate?

379

What is the purpose of @requiredstringvalidator annotation?

934

How to rollback a JDBC transaction?

1096

What is the purpose of the strictfp keyword?

1161

What is literal example?

949

What is swing package in java?

968

What is a memory leak in java?

1074

What is the synchronized method modifier?

1203

When singleton beans are created in spring?

482

What is purpose of applet programming?

1188

What does sizeof return?

992

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

2471

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