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 10612

what is the difference between object and class

IBM,

10 12187

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

Wipro,

3 9383

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

Wipro,

11 21325

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

2483

What is Serialization?

HCL,

2 5387

How to implement Hash Map?

HCL,

2 6648

Difference between Abstract Class & Interface?

HCL, IBM,

4 7220

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 6303

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 11105

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

TCS,

2 8368

What is difference between welogic server and WebSphere?

TCS,

2 9383

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

5 8108

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

2 5379

why do we use interface in java?

5 9743

Un-Answered Questions { Java Related }

Why do we need data structure in java?

1094

What are nested classes in java?

1137

Can we have more than one application context in spring?

422

Is null an object in java?

1053

What is meant by oops concept in java?

1013

What are four types of JDBC driver?

1163

How can we access some class in another class in java?

1014

What is the exact difference in between unicast and multicast object? Where we will use?

1020

What is stateless in java?

1024

How does interceptor work in struts2?

967

What is jdbc thin client in oracle?

925

What is spring batch framework?

481

Is map ordered in java?

966

What are different order status?

892

How do generics work?

967

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