Core Java Interview Questions
Questions Answers Views Company eMail

Which keyword specify that a variable is effectively final ?

693

Which access specifier can be used with class ?

642

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

673

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 ?

653

Explain about anonymous inner classes ?

696

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

594

When do you get classcastexception?

687

Explain method local inner classes ?

713

Difference between object instantiation and construction ?

721

Difference between this() and super() ?

699

What are different ways of object creation in java ?

684

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

662

What is a final class ?

732

Explain inner classes ?

790

Can static method access instance variables ?

729


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Un-Answered Questions { Core Java }

How can the checkbox class be used to create a radio button?

649


How do you calculate roots in java?

672


How destructors are defined in java?

786


What is a super method?

673


Is set thread safe java?

627






What is the use of flag?

708


What is the abstraction?

720


give an example for encapsulation?

696


Can a private method be declared as static?

695


Why do I need to declare the type of a variable in java?

711


Is there any tag in htm to upload and download files?

730


How will you communicate between two applets?

773


How is treeset implemented in java?

637


What do you understand by access specifiers in Java?

697


What do you mean by buffering?

691