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 can we sync the nodes with administration server in weblogic.

1 3713

By default thread dump goes to System.out log.How can we send it to a particular file so that when we take the thread dump, instead of searching in System.out we can analyse a particular file

2 7514

If your client asks toupgrade the jdk version. How can you do this and after then what are the post changes needed

1 4738

what are the pre requisite to installing weblogic server 10

3 7542

If you get Null point exception at the time of ear deployment from console what will be you next steps to resolve the problem.

1 3655

how can you change the jvm arguments in weblogic server

2 13710

suppose you deployed a new application and the application is not reflecting to clent. what will be your steps of action

1 5741

how can you increase heap size from command line

IBM, TCS, Wells Fargo, Wipro,

2 13085

suppose you changed a admin password.in which other file you have to update after this

2 5828

suppose we have the thread dump for particular weblogic server.ho can you analyse it manually without using any tool

3 9330

what is directory structure of any ear/war file in weblogic

Wipro,

1 13080

difference between apllet and interface class

Infotech,

1 3794

what is difference betwenn Access Specifier and Access Modifier ????

2 5137

Explain your academic project?

Accenture, Levonsys, SDF, TCS, Tech Mahindra,

2 10966

What is JVM ? use of JVM?

BVC, Tech Mahindra,

6 14806

Un-Answered Questions { Java J2EE }

What are the contents on web.xml in struts application ?

1057

How to sort array in descending order in java?

981

What is the difference between filters and interceptors ?

1293

What is parsing in java?

1022

Can we return resultset in java?

985

Write a program to find the whether a number is an Armstrong number or not?

1093

What is an object in java and how is it created?

1120

What is the difference between break and continue statements?

1113

What is java string pool?

1072

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2657

What is the difference between equals() and == in java?

1030

Write a program to print count of empty strings in java 8?

1077

What do you mean by an interface in java?

1093

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

2411

Differentiate between static and non-static methods in java.

1115

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