Interview Questions Answers in Core Java

suraj k sahu

{ City } pune
< Country > india
* Profession * tl
User No # 111686

Total Questions Posted # 30
Total Answers Posted # 42

Total Answers Posted for My Questions # 47
Total Views for My Questions # 115561

Users Marked my Answers as Correct # 177
Users Marked my Answers as Wrong # 9

Questions / { suraj k sahu }

Questions Answers Category Views Company eMail

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

Cognizant,

1 Core Java 3478

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

Wipro,

1 Core Java 3119

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

Avaya,

1 Core Java 3592

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

Agiline, FINO PayTech, HCL,

2 Core Java 3794

Describe OOP in java?

Syntel,

2 Core Java 4160

What is difference between overloading and overriding?

Accenture,

2 Core Java 5028

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

Virtusa,

1 Core Java 3916

How do we make a class serialize?

Syntel,

3 Core Java 4435

What is serialVersionUID and what is its need?

KPIT,

1 Core Java 3627

What is deserialization and how do we do deserialization?

Synechron,

3 Core Java 4644

What is difference between compatible and incompatible changes in serialization?

Synechron,

1 Core Java 4211

What is Difference between Serializable and Externalizable in Java serialization?

Cognizant, IBM,

1 Core Java 4015

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

IBM,

4 Core Java 5266

How is object created in java?

Cap Gemini,

5 Core Java 6291

What is the life-cycle of an object?

Broadridge, Syntel,

2 Core Java 7352

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