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,

1108

Why use string handling in Java?

HCL,

1030

Explain heap sort?

Flextronics,

1120

What are recursive functions? Give some examples?

Axtria, ITC Indian Tobacco Company,

1192

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

Flextronics, Hexaware,

1059

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

Flextronics, Hexaware,

1049

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

Ciena,

1088

What is a Transient Object?

InfoAxon Technologies,

1085

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

HCL,

1078

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

HCL,

989

What are memory tables?

Aspiring Minds,

1096

Explain the selection sort algorithm?

Hexaware,

1058

What are daemon Threads in java?

Impetus,

1202

What is the basic concepts of OOPS?

BlackRock,

1198

What is backdrop?

Atos Origin,

1068

Un-Answered Questions { Java J2EE }

Can an mdb be a message producer or both a producer and consumer? : BEA Weblogic

913

What is component in java with example?

891

What is the functionality of actionservlet and requestprocessor?

1090

How to make a managed server ?

1095

Why do we need spring jdbctemplate?

404

Can we prepare the Validator map? Is it needed? If yes, why?

968

How many types of assembly languages are there?

972

how can u make the existing queue manager as an default queue manager?

888

Is final static java?

1011

How does hibernate update work?

508

Can we write sql query in hibernate?

357

What is network programming in java?

998

Can you explain the usages of class.forname()?

1074

what is a non-repeatable read?

2427

How to add the node?

928

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