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 do you add an element to a set in java?

1039

Who found java?

986

How do I compare two strings in word in java?

992

What is keyset in java?

1084

How is treeset implemented in java?

1032

How to sort numbers in java without array?

992

How to sort array in descending order in java?

924

How is hashset defined in java?

1042

How list contains works in java?

985

What is a linkedhashmap java?

1007

What is entry in java?

1039

Is java jre still free?

960

How to check if a list is sorted in java?

1037

Does list maintain insertion order java?

923

Is map sorted in java?

1070

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Un-Answered Questions { Core Java }

Why java is said to be pass-by-value ?

1044

How can we make string upper case or lower case?

1082

Is null == null in java?

1113

What 4 doubled?

990

What access modifiers can be used for methods?

1105

Can we execute a program without main() method?

1044

What are reference variables in java?

1129

What is binary tree in java?

1062

What is local variable and instance variable?

1061

What is the multi-catch block in java?

1043

What is the latest java version?

1067

Can private class be inherited in java?

1032

What happens if I remove static from main method?

1010

How do you format in java?

1014

What are the benefits of java?

1137

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