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?

1150

What is mean by collections in java?

1180

Difference between default and protected access specifiers?

1124

What is serialversionuid?

1091

Which methods are used during serialization and deserialization process?

989

Explain about join() method?

968

What are the advantages of exception handling?

1064

What is mean by exception?

1032

What are the features in java?

1074

What does yield method of the thread class do?

1039

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

1071

Explain about exception propagation?

1034

What are the types of exceptions?

1059

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

1015

What is meant by overloading?

1069

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Un-Answered Questions { Core Java }

Can you give names of Container classes?

2306

Can we declare a static variable inside a method?

1001

How do you escape json?

995

What does a method signature consist of?

984

How does queue work in java?

984

How do you remove spaces in java?

1033

What is the equal sign?

1123

What do you meant by active and passive objects?

1084

What access modifiers can be used for variables?

1148

Why is java called java?

1050

What is internal variable?

1013

Can a variable be local and static at the same time?

1003

Can we overload destructor in java?

992

What is meant by null and void?

970

How will you get the platform dependent values like line separator, path separator, etc., ?

1027

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