Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
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Servlets (804)
Struts (701)
JDBC (771)
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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 12499

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

Wipro,

3 9490

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

Wipro,

11 21807

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 6427

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 11224

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

TCS,

2 8496

What is difference between welogic server and WebSphere?

TCS,

2 9496

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

5 8351

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

2 5495

why do we use interface in java?

5 9903

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 12718

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

2483

when to for abstract class and when to go for interface

2 4718

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

IBM,

4 7497

Un-Answered Questions { Java J2EE }

What is action chaining ?

1158

How to create a base64 decoder in java8?

1129

i want test pattern of zylog company and some examples also

2855

What is java string pool?

1076

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

1095

What is the difference between break and continue statements?

1117

What is parsing in java?

1025

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

Differentiate between static and non-static methods in java.

1115

Is minecraft 1.15 out?

1035

What is the difference between filters and interceptors ?

1293

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

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

1063

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

1032

What do you mean by an interface in java?

1095

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