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

How Work Manager works in wls 9.2 and above versions?

3655

what is the use of Clonable,and serializable interface?

1 23223

How we can monitor work manger?can we create our own work Manager?if yes then How?

Oracle,

1 3356

Can an interface extands a class?

5 10059

What will happen when ResultSet is not closed?

CTS,

1 7054

Every field has setter and getter methods.what is happening in this methods.

2 5488

What causes Out of Memory exception?

CTS,

5 16250

servlet has not any main method in it how does it work by JVM?

7 24299

What is the difference between Web Server and Application Server

IBM,

7 15453

Can i have abstract class with no abstract methods?

CTS,

22 47640

what is the difference between sun JDK1.5 and BEA Jrokit 1.5

IBM,

3 11758

What is advantage if silent mode installation...urgent..need answer to this question

IBM,

3 13723

what are the benefits of classpath?

Infosys,

2 10834

what are the benefits of load order in the deployment of the application?

HP, Infosys,

2 10724

Why do we use DAO?

Accenture, Tech Mahindra,

3 18766

Un-Answered Questions { Java Related }

What is a jagged array in java?

1136

What is savepoint in java?

877

Name some important interfaces of Hibernate framework?

355

What is or mapping in hibernate?

467

Explain access specifiers?

1201

Why java is call by value?

1051

What is resultsetmetadata in java?

908

Is main a function?

1075

What happens when heap memory is full?

1018

What is reflection in java?

1008

What is treeset in java collection?

985

Is java ee and j2ee same?

898

How task's priority is used in scheduling?

2319

can java object be locked down for exclusive use by a given thread? Or what happens when a thread cannot acquire a lock on an object? : Java thread

1006

What is lazy initialization in java?

1029

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