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 OOP's Terms with explanation?

1184

What is better - 'bit-shift a value' or 'multiply by 2'?

DELL,

1184

How would you use Bubble Sort to sort the number of elements?

Genpact,

996

What is close method? How it's different from Finalize & Dispose?

InfoAxon Technologies,

1060

Can a private method be declared as static?

Global Logic,

1018

What do you understand by access specifiers in Java?

Genpact,

1008

Implement two stacks using a single array.

Global Logic,

1057

What is the use of 'super' keyword inside a constructor?

Flextronics, Thomson Reuters, Virtusa,

962

What is the method to declare member of a class static?

HCL,

1005

What is Mutex (Mutual Exclusion Object) ?

Ciena,

1141

Give differences between Quicksort &Mergesort. When should these sorts be used andwhat is their running time in java?

Genpact,

1233

What do you mean by JVM?

Ericsson,

1072

When does a class need a virtual destructor?

Flextronics,

1006

How is tree Mirroring implemented?

Fidelity,

1065

How can u increase the heap size in the memory?

Infosys,

1009

Un-Answered Questions { Java J2EE }

java based application for hospital management

3820

What is group?

988

Which sorting is used in arrays sort in java?

1077

What are the toolbar elements.

1008

What is the syntax to add a bean in the spring application?

364

What are the limitations of using local object?

1143

What are the advantages of using hibernate over jdbc?

308

What is the process of setting the layout manager?

1043

Explain the difference between private, public, package and protected in java?

1038

What do the thread?class methods run() and start() do?

1030

What is early binding and late binding in java?

1180

Explain the jar and war files in servlet?

1096

What is the difference between java and spring?

437

What are the advantages of java inner classes?

1066

How many types of memory areas are allocated by JVM in java?

1067

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