Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

How does java enable high performance?

1103

What is mean by collections in java?

1104

Difference between default and protected access specifiers?

1049

What is serialversionuid?

1028

Which methods are used during serialization and deserialization process?

954

Explain about join() method?

916

What are the advantages of exception handling?

1025

What is mean by exception?

987

What are the features in java?

1035

What does yield method of the thread class do?

988

Difference between start() and run() method of thread class?

1022

Explain about exception propagation?

991

What are the types of exceptions?

1005

How to stop a thread in java? Explain about sleep () method in a thread?

981

What is meant by overloading?

1019

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Un-Answered Questions { Core Java }

When should I use singleton pattern?

989

Explain the importance of finalize() method.

929

What are the basics of core java?

981

Why do we use string?

978

What is this keyword used for?

1080

What is meant by javabeans?

1041

What are the java ide’s?

994

What do you know about java?

906

What is the java project architecture?

2202

What class of exceptions are generated by the java run-time system?

1139

What do you mean by inner class in java? Explain

1020

What is an object in java?

988

Can we extend a class with private constructor?

956

Objects or references which of them gets garbage collected?

924

Mention a package that is used for linked list class in java.

912

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