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 3374

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

IBM,

1 3044

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

Cognizant,

1 3568

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

Wipro,

1 3209

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

Avaya,

1 3714

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

Agiline, FINO PayTech, HCL,

2 3911

Describe OOP in java?

Syntel,

2 4272

What is difference between overloading and overriding?

Accenture,

2 5171

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

Virtusa,

1 4008

How do we make a class serialize?

Syntel,

3 4543

What is serialVersionUID and what is its need?

KPIT,

1 3736

What is deserialization and how do we do deserialization?

Synechron,

3 4793

What is difference between compatible and incompatible changes in serialization?

Synechron,

1 4299

What is Difference between Serializable and Externalizable in Java serialization?

Cognizant, IBM,

1 4103

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

IBM,

4 5427

Un-Answered Questions { Java Related }

What is jms publisher?

813

What is the use of setFetchSize() and setMaxRows() methods in Statement?

991

Why put method is used?

1008

What is hibernate generator class?

430

What is meant by prallel gc and explain it?

978

What is JVM and is it platform independent?

1042

Explain about tiles?

1038

how can I verify that a custom injection filter is working?

813

What does autowired mean in spring?

401

I don’t want my class to be inherited by any other class. What should I do?

1013

How do you define the scope of a bean?

422

What is content pane in swing?

950

How nested beans can be used in Struts applications?

994

What is the base class in java from which all classes are derived?

974

What does jdbc stand for?

937

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