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

what is the difference between object and class

IBM,

10 12061

diff b/w managed server and non managed server? can u briefly explain?

Wipro,

3 9340

what is command for find out the ip add and port no. of the machine in UNIX?

Wipro,

11 21215

when exactly should we use throws ,and wen exactly should we use the try and catch for exceptional handling

2457

There are 2 different ways to create an object. a)By using keyword "new" b)By using Class.forName ("className").newInstance(); What is the difference between these 2 methods.

3 6256

In cluster , the load balancing that simply redirect the client request to any available server in weblogic server cluster. Suppose assume we have 4 managed servers and one admin server. can we trace that request is going to which managed server in the cluster? is it possible to tell that request is going to which ipaddr/managed server?

Wipro,

3 11062

how this statement works..? public void service(HttpServletRequest request,HttpServletResponse response)

TCS,

2 8320

What is difference between welogic server and WebSphere?

TCS,

2 9340

Is it possible to create object with out its default constructor? if possible how? else not possible? justify

5 8016

when System.out.println("") is executed what happens in the back ground?

2 5338

why do we use interface in java?

5 9677

There are 2 classes . Class A and Class B. In Class A i declared a variable in private. if we can access this private variable in Class B. If yes means , how we can access ?

HCL, Itx Centrics, Virtusa,

7 12375

Urgent requirement of JAVA/.NET/QA in a CMMI level3 MNC for Pune location.

2375

when to for abstract class and when to go for interface

2 4592

how to print a numbers from 1 to 100 with out using control structures?

IBM,

4 7291

Un-Answered Questions { Java J2EE }

What is the boot?

1000

What is difference between java.util.Date and java.sql.Date?

1120

What are data-sources and what features do they offer?

1076

What happens if a constructor is declared private?

1036

Can a class have multiple constructors?

1059

Can we use jms for sending automated e-mails?

890

What are the types of methods in java?

1117

What is role of actionservlet?

1030

Why we cannot override static method?

1062

What is dispatchaction?

1098

What is JDBC Transaction Management and why do we need it?

1155

What is criteria in hibernate?

480

what is nested class in java?

1174

can used Protected Class outside Function.?

1102

What is a string what operation can be performed out with the help of a string?

1051

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