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 4890

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).

1983

Is there memory leaks in java?

3 5902

Need to use public,static keywords in main function?

5 7262

How core java/j2ee project performance can be measured ?

1 3853

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 7632

How Marker Interfaces are instruct to complete the desired need ?

2 4224

Matrix multiplication only using OOP concepts .

3932

system.out.println(1 + 3);

8 11544

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

2 19209

posted in online test

1 3293

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 4987

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 3457

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

5 9821

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

2 4534

Un-Answered Questions { Java J2EE }

What are the differences between Struts1 and Struts2 or how Struts2 is better than Struts1?

1016

What are the key attributes?

342

Which injection is better in spring?

447

What 4 doubled?

989

What are the differences between mqsi server, mqsi client? How to connect these two through command prompt?

958

What is a component in java?

902

Given a singly linked list, find the middle of the list in a single traversal without using temporary variable.

1052

Why is Servlet so popular?

1074

How does hibernate lazy loading work?

398

Why to use nested classes in java?

1124

What is the difference between Java1.4 and Java1.5

2318

What is a java applet? What is an interface?

1099

What is a buffer in java?

1036

What is save method in hibernate?

410

What is the full form of yaml?

361

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