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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

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 10570

what is the difference between object and class

IBM,

10 12091

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

Wipro,

3 9345

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

Wipro,

11 21232

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

2457

What is Serialization?

HCL,

2 5358

How to implement Hash Map?

HCL,

2 6607

Difference between Abstract Class & Interface?

HCL, IBM,

4 7170

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 6262

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 11072

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

TCS,

2 8338

What is difference between welogic server and WebSphere?

TCS,

2 9346

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

5 8036

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

2 5346

why do we use interface in java?

5 9700

Un-Answered Questions { Java Related }

Is arraylist an object in java?

1177

How to get the server information in a servlet?

1173

How does finally block differ from finalize() method?

1052

What is the major advantage of external iteration over internal iteration?

1111

What’s difference between managed associations and hibernate associations?

451

How to upgrade the latest patches in weblogic?

1052

What is 2nd level cache?

402

What happens if we override only equals?

976

What is the use of private static?

1052

What is apache struts framework?

975

Explain what access modifiers can be used for methods?

1091

How do you load an image in a Servlet?

1199

what is ibm web sphere edge server?

922

How do I disallow NULL values in a table?

1004

How to solve the problem of generating the unique hash keys with hash function?

1916

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