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

What are legal modifiers that we can use to declare an inner class?

Infosys,

1 3481

What is difference between “==” and equals()?

IBM,

1 3151

Why do we need to override equals() and hascode() method of object class?

Cognizant,

1 3671

How to override equals() and hashCode() method in java?

Wipro,

1 3294

Are the equals() and hashCode() protected methods of object class?

Avaya,

1 3816

What are the uses of final, finally and finalize in java?

Agiline, FINO PayTech, HCL,

2 4030

Describe OOP in java?

Syntel,

2 4385

What is difference between overloading and overriding?

Accenture,

2 5309

Why do we need main method to execute a java program?

Virtusa,

1 4106

How do we make a class serialize?

Syntel,

3 4731

What is serialVersionUID and what is its need?

KPIT,

1 3863

What is deserialization and how do we do deserialization?

Synechron,

3 4977

What is difference between compatible and incompatible changes in serialization?

Synechron,

1 4414

What is Difference between Serializable and Externalizable in Java serialization?

Cognizant, IBM,

1 4184

What is an object in Java and what are its benefits?

IBM,

4 5611

Un-Answered Questions { Java Related }

Why are there no global variables in java?

1114

What are the difference between RMI and CORBA?

1171

A client wants to preserve the reference to the ejbhome object of an enterprise bean instance and use it later. Which of the following can be serialized for this purpose? : BEA Weblogic

1069

What is static and final keyword in java?

1085

What are the features in java?

1129

What is orm tool in hibernate?

414

How do I connect my application to talk to a database?

989

What language is an assembler written in?

1064

How can you traverse a linked list in java?

1192

Which component handles cluster communication in jboss?

1167

What is assembly language?

1063

Does WebSphere Application Server support CA Siteminder?

993

What is anti pattern in cyber security?

1075

How to create packages in java?

996

What is the function of java?

1058

For More Un-Answered { Java Related } Questions Click Here