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?

1055

Can you call a method in a method?

1087

What is java regex?

1003

How does split work in java?

1045

Can we print null in java?

1056

What does this mean java?

1097

What is a vararg?

1031

Is null an object java?

987

What is pre increment and post increment in java?

983

What does the three dot emoji mean?

1116

Is null a string or object in java?

962

What is null mean in java?

1090

How do you represent a space in regex java?

1010

Can a class extends itself in java?

1021

What is a top level class in java?

1020

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Un-Answered Questions { Core Java }

Explain java coding standards for classes or java coding conventions for classes?

1121

Where is the find and replace?

998

Can a final variable be null?

1013

How can we make string upper case or lower case?

1069

Can we have this () and super () together?

1041

Can we write class inside a class in java?

979

What is java jit compilers?

1009

if u open login & logout ,how can udisplay the timelogin & logout members ?

2283

Can I use % with real numbers?

1017

What is communist flag?

1009

Why is String immutable?

1055

What will happen if a thrown exception is not handled?

1016

What are the benefits of immutable objects?

1004

What is a prefix function.write down a code to compute prefix function.

1056

What are the parts of methodology?

972

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