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Java Related Interview Questions
Questions Answers Views Company eMail

.while installing application server in silent mode, if it failed without creating any logs, how do you trouble shoot ?

CEBS, IBM,

2 9038

what is the difference between object and class

IBM,

10 9454

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

Wipro,

3 7953

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

Wipro,

11 17406

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

 1955

What is Serialization?

HCL,

2 4218

How to implement Hash Map?

HCL,

2 5469

Difference between Abstract Class & Interface?

HCL, IBM,

4 5394

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 5015

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 9770

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

TCS,

2 7169

What is difference between welogic server and WebSphere?

TCS,

2 8239

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

 5 6189

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

 2 4329

why do we use interface in java?

 5 8009

Un-Answered Questions { Java Related }

Is math an abstract class in java?

525

What happens if we override only equals?

570

What are the restriction imposed on a static method or a static block of code?

582

Is hibernate session is thread safe?

160

How are the notifications generated when a server is added to a cluster?

546




What is the purpose of @expressionvalidator annotation?

581

What is the difference between struts and spring?

513

How can we make copy of a java object?

536

Can inner class have constructor?

536

What is a qms manual?

533

What is r in java?

585

Are arrays static in java?

572

What hibernate save returns?

182

How do you end a program?

538

Can we sort hashmap in java?

522

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