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 10746

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 21803

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

2517

What is Serialization?

HCL,

2 5479

How to implement Hash Map?

HCL,

2 6753

Difference between Abstract Class & Interface?

HCL, IBM,

4 7412

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 6426

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

Un-Answered Questions { Java Related }

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

1032

Can we return resultset in java?

985

What is the locale class?

1020

Can we extract main method from another class?

1026

What is parsing in java?

1025

How is declarative handling of exceptions done in struts ?

999

What do you know about validation plugin ?

1024

How to create a base64 decoder in java8?

1129

Are jvm’s platform independent?

972

Find Best Job Vacancies across the world on Jooble!

126

What is a constructor overloading in java?

1119

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2257

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 different ways of using thread? : Java thread

1077

What is the difference between filters and interceptors ?

1293

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