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Core Java Interview Questions
Questions Answers Views Company eMail

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

Avaya,

1 3808

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

Agiline, FINO PayTech, HCL,

2 4024

Describe OOP in java?

Syntel,

2 4380

What is difference between overloading and overriding?

Accenture,

2 5302

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

Virtusa,

1 4102

How do we make a class serialize?

Syntel,

3 4726

What is serialVersionUID and what is its need?

KPIT,

1 3858

What is deserialization and how do we do deserialization?

Synechron,

3 4963

What is difference between compatible and incompatible changes in serialization?

Synechron,

1 4409

What is Difference between Serializable and Externalizable in Java serialization?

Cognizant, IBM,

1 4183

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

IBM,

4 5601

How is object created in java?

Cap Gemini,

5 6651

What is the life-cycle of an object?

Broadridge, Syntel,

2 7591

why static class in java or what is use of static class in java

SunGard,

3 5153

Tell me the programme for this @ 1 2 @ @ @ 1 2 3 4

Accenture, iGate, IntoNET, Value Labs,

5 6292

Post New Core Java Questions

Un-Answered Questions { Core Java }

What happens if we override only equals?

1018

List out benefits of object oriented programming language?

947

How does compareto work in java?

1098

How do you bind variables?

1159

What is lastindexof in java?

1179

Why static functions are used?

1148

Is nullpointerexception checked or unchecked?

1074

What are features of java?

1088

How long will it take to learn java?

1038

Does java set allow duplicates?

1139

What are the types of sockets in java?

1217

What are jee technologies?

1062

What is method overloading and method overriding?

1110

What is t in parametric equations?

1042

Can we have static methods in an interface?

1106

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