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 to make the IP address to .com

iGate,

1 4965

when the several requests comes to server..how it manage the requests

iGate,

4 7940

what is OOAS

iGate,

2 6169

what is the current salary package in India for a java programmer who has 2 years experience

7 18594

where can we set classpath, which will reflect to whole domain

HP,

5 11926

in which file/script we need to change the heap size?.What is the variable name to search to change the heap size

HP,

7 13732

when we creates a domain, it creates one-startManagedWebLogic in bea user_projects\domains\MyDomain\bin dir. Suppose we have 2 or more than 2 managed severs in our unix env.how can we start all our managed servers. I know we have to copy startManagedWebLogic with server name.then wht to modify in the script to start ecah of the managed servers?

HP,

3 6706

What is difference between weblogic connection pool and conection factory?

MAHINDRA,

2 12242

when i am starting my managed server it is coming to admin state.I used to click on resume button in admin console , so that it is comming to running state. How to resolve this problem for ever so that the server will come directly to running state instead of going to admin state?

5 45021

Is it possible to create both queues and topics to single jms server? if yes then how it works?

2139

what is distributed queues and topics and how they works

1 6381

How can we know if there is any memory leakages happening? how to overcome the memory leakage situation?

1 7666

Hi frnds ,iam new to java and j2ee ,my requirement is using java or any j2eetech how to lock an user when he enter wrong credentials(uname&password) more than 3 times.take the username and passowrd in a bean no need to conned Db kindly provide me sample application code or and ideas or links or tutorials plzzzzz urgent for me thanks in advance...

NSN,

2 5236

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

NSN,

2348

Why Over riding is Run Time Polymorphism?

Genpact,

3 16026

Un-Answered Questions { Java J2EE }

Is math class static in java?

1121

What is the main use of java?

1169

What is the main parts of jms applications?

856

Is java swing a framework?

1032

Why it called struts?

959

What are the aop implementation?

521

How does a sender application transport/send a message through jms?

888

What is the use of set in java?

1122

Why do we use orm?

328

How many bits are used to represent unicode, ascii, utf-16, and utf-8 characters in java programming?

1013

What is the difference between lazy and eager loading in hibernate?

461

Explain the concept of ejb ql?

1127

What is the use of Struts.xml configuration file?

933

What is the difference between merge and update method?

490

What is the difference between portlet and servlet?

996

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