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 a default constructor and also define copy contrucyor?

Global Logic,

1098

Why use string handling in Java?

HCL,

1026

Explain heap sort?

Flextronics,

1103

What are recursive functions? Give some examples?

Axtria, ITC Indian Tobacco Company,

1191

How do you access command-line arguments within the code?

Flextronics, Hexaware,

1053

What is the difference between static and global variables and also define what are volatile variables?

Flextronics, Hexaware,

1044

What is a Hash Table? What are the advantages of using a hash table?

Ciena,

1080

What is a Transient Object?

InfoAxon Technologies,

1079

Why declare Main() method as a static in java ?

HCL,

1072

This abstract class is correct ? abstract class A { public abstract void Disp(); public abstract void B() { } public absract virtual C() { } }

HCL,

986

What are memory tables?

Aspiring Minds,

1094

Explain the selection sort algorithm?

Hexaware,

1053

What are daemon Threads in java?

Impetus,

1193

What is the basic concepts of OOPS?

BlackRock,

1190

What is backdrop?

Atos Origin,

1063

Un-Answered Questions { Java J2EE }

Why does jmssession.createtopic or jmssession.createqueue fail to create a destination in wls jms 6.1 (it worked in 5.1)? : BEA Weblogic

1021

How much ram can a 64 bit processor theoretically?

883

Differences between C and Java?

1190

Expalin the method of calling a stored procedure from jdbc.

965

What is aop?

481

Name few wcs controller commands used in your application for catalog subsystem?

820

What is fetchtype lazy?

398

What is @controller in spring boot?

510

Write a program to reverse array in place?

1061

Is it possible to perform collection mapping with one-to-one and many-to-one?

318

What is csa?

841

What is the epoch date?

1021

Explain about arraylist?

1093

What is the nested interface?

1103

how to create multithreaded program? : Java thread

944

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