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

can two class in a code be public??if yes then how??

2 5025

take an array with -ve and +ve value both.find out the nearest value of 0(zero).if two values are same like(-2 and +2)then extract +2 is nearest of 0(zero).

1 2068

Is there memory leaks in java?

3 6043

Need to use public,static keywords in main function?

5 7520

How core java/j2ee project performance can be measured ?

1 3950

If there are two notepad opened and working on it . is this a process or thread? computer based Live Example to differentiate between Thread , Process , and Multi tasking ?

TCS, Wipro,

3 7821

How Marker Interfaces are instruct to complete the desired need ?

2 4373

Matrix multiplication only using OOP concepts .

3997

system.out.println(1 + 3);

8 11902

difference between request.getSession(false) or request.getSession() and request.getSession(true)

2 19380

posted in online test

1 3407

if am have 100 threads(for ex:T1,T2---T100) how we give priority to these threads and how the system excute these threads

2 5132

if we know the any consultancies, it will place in company work through consultancy(contract base). please help me I'm 2008 pass out java candidate...

1 3548

What is the multilevel inheritance. and also give the Example of it ?

5 10054

Can Anybody tell the diff b/w jdk1.6 and latest version.

2 4648

Un-Answered Questions { Java J2EE }

What is action chaining ?

1157

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

1058

What is a classloader in java?

1080

What is a constructor overloading in java?

1119

How is declarative handling of exceptions done in struts ?

999

Realized?

2250

What is the difference between break and continue statements?

1116

Differentiate between static and non-static methods in java.

1115

Can we return resultset in java?

985

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2859

What is lazy class?

478

What is the difference between filters and interceptors ?

1293

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

2414

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 an object in java and how is it created?

1121

For More Un-Answered { Java J2EE } Questions Click Here