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 hashing principle in java?

1024

What is time complexity java?

991

Which is faster set or list in java?

1033

What is size () in java?

1093

What is a key in java?

979

What is import java util arraylist?

1182

Why we go for collections in java?

981

What is arraylist class in java?

1063

What is java util concurrentmodificationexception?

910

What is thread safe java?

919

What is fail first in java?

1203

What is the difference between length and size in java?

989

What is the maximum size of array in java?

985

What does index mean in java?

995

What is complexity in java?

1045

Post New Core Java Questions

Un-Answered Questions { Core Java }

Is java 1.7 the same as java 7?

1045

What is the use of accept () method in java?

1096

Is the empty set a singleton?

978

Why string is called as immutable?

953

What is the purpose of using javap?

1098

Can you explain the final method modifier?

1010

What is a variable declaration?

978

Explain some best practices you would apply while using collection in java?

1036

What is continuity of a function?

1094

What is void class in java?

974

What is the definition of tree ?

1038

What are 4 pillers of object orinted programming?

1017

Why array is used in java?

969

Where import statement is used in a java program?

1130

Explain when we should make an instance variable private.

1122

For More Un-Answered { Core Java } Questions Click Here