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

How we can declare a static variable?

HCL,

1110

Write a function to print Fibonacci series and Tribonacci series?

Hexaware,

1184

How we create object in copy constructor?

HCL,

1124

Do we need to manually write Copy Constructor?

HCL,

1033

Why declare Main() inside the class in java ?

HCL,

1062

What is the use of using enum to declare a constant?

Fidelity,

1029

What is scope & storage allocation of static, local and register variables? Explain with an example.

IBS,

1014

How will you reverse a link list without using recursion?

Global Logic,

1033

What is meant by stack and queue?

GrapeCity,

1070

What is the difference between heap memory and stack memory?

Aspiring Minds,

1073

What Is Query Throttling in java?

HCL,

999

What do you mean by Function Overloading in java?

Impetus,

1179

How to remove the trailing spaces from a string?

Infogain,

1274

how many types of Inheritance?

Impetus,

1176

Difference between a process and a program?

Infosys,

1114

Un-Answered Questions { Java J2EE }

What is final keyword?

1161

What is core java and j2ee?

920

Can long be null in java?

1020

What is difference between persist and save in hibernate?

362

What hibernate save returns?

428

What are internal and external variables?

957

What is the limitation of hibernate?

486

in a scenario where an administrator needs to migrate the entire application server profiles from v6.1 to v8 using profile management tool (pmt) and he wants to keep all windows services created for these profiles, how to make sure that these windows services are kept after migration process?

828

What does it mean to be stateless?

998

what are the new capabilities in ibm installation manager v8?

841

What is the meaning of flag day?

1022

How do you remove all elements from an arraylist in java?

1028

What is the msi mode in weblogic? How can you enable and disable this option?

1284

What is the difference between txdatasource and datasource?

1123

What is in terms of jdbc a datasource?

1078

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