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

Can we store variables in local blocks?

Global Logic,

1351

Write a program to search a number in the given list of numbers.

Honeywell,

1035

What is a default constraint?

HCL,

1069

What isan abstract class and when do you use it?

Genpact,

1 1603

What do you understand by Header linked List?

Genpact,

1103

Difference between current previous versions of Java?

Atos Origin,

1022

What is a Presistent Object?

InfoAxon Technologies,

1237

How do you find the maximum number from an array without comparing and sorting?

BlackRock,

1123

What do you mean by a JVM?

GE,

1252

Explain the selection sort algorithm and state its time complexity?

Flextronics,

1015

Give me an example of array and linked list? Where they can be used?

Ericsson,

1010

What is meant by 'bit masking' in java?

DELL,

1188

If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?

CDAC,

1042

What is an interoperable application in java ?

HCL,

1001

These static constructors are correct ? class A { statc intA() { } static A(int x,int y) { } static A(int x) { } }

HCL,

1087

Un-Answered Questions { Java J2EE }

Is it possible to send or receive a message from within a message listener? : BEA Weblogic

911

What are the different methods of identifying an object?

1078

What is the symbol for line break?

1097

Can I have an action without a form?

1107

Write the code to get the server information in servlet.

1065

What is db persistence?

423

What is hibernate criteria join?

492

What is a singleton class in Java?

1064

What is flush method in hibernate?

466

What is meant by full gc and explain it?

992

What are some advantages of lazy loading?

371

Who developed java?

990

How do you start a new line in java?

987

What are the components of ejb?

1012

What is ip pool count?

517

For More Un-Answered { Java J2EE } Questions Click Here