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

Core Java Interview Questions

Questions Answers Views Company eMail

How to display all the prime numbers between 1 and n (n is the number, get the input from user)

582

How to find the largest value from the given array.

590

Difference between static binding and dynamic binding?

640

What are new features introduced with java 8 ?

612

Name few java 8 annotations ?

655

Name few "optional" classes introduced with java 8 ?

714

What are the changes in java.io in java 8 ?

622

Name few java util classes introduced with java 8 ?

572

Name few java.lang classes introduced with java 8 ?

602

Does java allow overriding static methods ?

702

What is the benefit of inner / nested classes ?

597

What are the common uses of "this" keyword in java ?

637

Difference between nested and inner classes ?

674

Explain static nested classes ?

659

Difference between predicate, supplier and consumer ?

672

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Un-Answered Questions { Core Java }

Is a boolean 1 bit?

679

Can we override the overloaded method?

632

Can java hashmap have duplicate keys?

578

How to perform selection sort in java?

646

Is sizeof a preprocessor?

608

What is the replace tool?

616

What is function declaration?

588

Is zero a natural number?

639

Outline the major features of java.

641

How can we make a class singleton?

660

When do we use hashset over treeset?

593

Can you extend singleton class?

686

Which package has light weight components?

626

What is the use of list in java?

586

What does indexof mean?

599

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