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 10562

what is the difference between object and class

IBM,

10 12066

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

Wipro,

3 9341

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

Wipro,

11 21221

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 5342

How to implement Hash Map?

HCL,

2 6598

Difference between Abstract Class & Interface?

HCL, IBM,

4 7158

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 6257

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 11063

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

TCS,

2 8324

What is difference between welogic server and WebSphere?

TCS,

2 9340

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

5 8022

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

2 5338

why do we use interface in java?

5 9682

Un-Answered Questions { Java Related }

How many bytes is a char in java?

1021

What is the sla in prd,qa,dev.?

1159

How to create entity class in hibernate?

432

Is jdbc a middleware?

952

What is java util function?

1106

What is spring boot starter tomcat? : Spring Boot

503

What do you understand by copy constructor in java?

932

Explain about object oriented programming and its features?

1013

Can a static class have a constructor java?

987

What causes java.io exceptions in the log file? : BEA Weblogic

1029

what is anonymous class in java?

1034

What is hashmap in java?

1057

Which software is used for java programming?

1023

What is a generic data type?

1042

How can you check the status of an order?

853

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