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

Core Java Interview Questions

Questions Answers Views Company eMail

Which keyword specify that a variable is effectively final ?

932

Which access specifier can be used with class ?

943

How can we run a java program without making any object?

981

What will happen if there is a default method conflict as mentioned above and we have specified the same signature method in the base class instead of overriding in the existing class ?

897

Explain about anonymous inner classes ?

1014

What one should take care of, while serializing the object?

849

When do you get classcastexception?

977

Explain method local inner classes ?

971

Difference between object instantiation and construction ?

1008

Difference between this() and super() ?

1015

What are different ways of object creation in java ?

1018

How can we create objects if we make the constructor private ?

949

What is a final class ?

1079

Explain inner classes ?

1072

Can static method access instance variables ?

1070

Post New Core Java Questions

Un-Answered Questions { Core Java }

What is difference between call by value and call by reference?

933

What is the difference between abstraction and encapsulation?

1000

Can we have multiple public classes in a java source file?

1102

What is hash in java?

900

Why main method is static in java?

1101

What is the purpose of return statement?

1011

What is the difference between method and means?

1016

Can inner class be public in java?

968

What is the type of lambda expression?

952

What is string [] java?

898

Can singleton class be serialized?

904

How many types of voids are there?

919

Why java is call by value?

978

What is string variable?

986

what is enumset?

1042

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