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

Core Java Interview Questions

Questions Answers Views Company eMail

What is anti pattern in java?

964

Can inner class be public in java?

1015

What is a private class in java?

1047

Which class cannot be a subclass in java?

1018

What is public/private protected in java?

1041

What are the two categories of data types in the java programming language?

983

Does java isempty check for null?

996

What is percentage in java?

1002

What loop means?

953

What is a boolean expression in java?

1018

How do you break a loop?

977

How many bytes is a char in java?

1016

What is the maximum size of a string in java?

1098

Is 0 true or false in java?

986

Is char a data type in java?

969

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Un-Answered Questions { Core Java }

String class is defined under which package in java?

1075

What is the difference between inheritance and encapsulation?

1145

Is java free for commercial?

922

Does chrome use java?

960

How do you use nextline in java?

968

Can we sort hashmap in java?

954

Can we have try without catch block?

1078

when should you use stringbuilder class in a program?

973

How do you sort in ascending order in java?

871

What are the differences between stringbuffer and stringbuilder?

1056

What are peerless components in java programming?

1009

What is the use of hashmap in java?

1082

Is set ordered in java?

977

What is extension method in java?

1036

What is nullpointerexception?

1068

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