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 does isempty () do in java?

1076

Can you call a method in a method?

1107

What is java regex?

1017

How does split work in java?

1068

Can we print null in java?

1067

What does this mean java?

1126

What is a vararg?

1052

Is null an object java?

1003

What is pre increment and post increment in java?

1007

What does the three dot emoji mean?

1134

Is null a string or object in java?

979

What is null mean in java?

1110

How do you represent a space in regex java?

1019

Can a class extends itself in java?

1041

What is a top level class in java?

1048

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Un-Answered Questions { Core Java }

What do you understand by Header linked List?

1116

what do you mean by marker interface in java?

996

How do you override a method in java?

1020

What is array initialization in java?

1113

What is contract between hashcode and equal method?

1062

What are three types of loops in java?

1152

Where import statement is used in a java program?

1144

Is java ee a framework?

997

Why do we use string?

1073

Can a static method be final?

1073

What is unicode with example?

1226

What is a "pure virtual" member function?

1114

Can we have a try block without catch block?

1006

What programs use java?

973

Is zero a natural number?

1046

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