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 string and its types?

1179

What is an image buffer?

991

What is int argc char * argv?

1151

What is meant by string is immutable?

1073

How do you escape json?

993

What is compareto?

1029

What do you mean by formatting?

992

What is prefix of a string?

1032

What is string builder?

889

What means public static?

1033

What is difference between stringbuffer and string?

954

How do you create a bulleted list?

1253

What do you mean by buffering?

1040

How do you compare two strings lexicographically?

929

Is void a wrapper class?

944

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Un-Answered Questions { Core Java }

What does ide stand for?

943

What are different types of expressions?

1113

Are constructors methods?

1003

Can we serialize singleton class?

1032

Can a constructor call the constructor of parent class?

1033

Is java util regex pattern thread safe?

1015

How is final different from finally and finalize?

924

What are the 3 types of control structures?

1013

What is the similarity between dynamic binding and linking?

1118

What is linkedlist in java?

999

What is a super method?

976

Can a static class implement an interface?

1120

Can you achieve runtime polymorphism by data members?

1143

List out benefits of object oriented programming language?

893

What is hashmap in java?

1057

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