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 12507

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

Wipro,

3 9492

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

Wipro,

11 21824

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

2517

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 6432

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 11227

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

TCS,

2 8497

What is difference between welogic server and WebSphere?

TCS,

2 9499

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

5 8357

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

2 5501

why do we use interface in java?

5 9907

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 12725

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

2487

when to for abstract class and when to go for interface

2 4720

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

IBM,

4 7508

Un-Answered Questions { Java J2EE }

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

1128

i want test pattern of zylog company and some examples also

2855

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

2415

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

2861

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131

What is action chaining ?

1158

How to create a base64 decoder in java8?

1131

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

1095

Realized?

2254

Differentiate between static and non-static methods in java.

1115

What is java string pool?

1076

Explain public static void main(string args[]) in java.

1063

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

1058

Can we return resultset in java?

985

What is parsing in java?

1028

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