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)

516

How to find the largest value from the given array.

528

Difference between static binding and dynamic binding?

571

What are new features introduced with java 8 ?

555

Name few java 8 annotations ?

573

Name few "optional" classes introduced with java 8 ?

651

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

558

Name few java util classes introduced with java 8 ?

507

Name few java.lang classes introduced with java 8 ?

539

Does java allow overriding static methods ?

634

What is the benefit of inner / nested classes ?

529

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

573

Difference between nested and inner classes ?

610

Explain static nested classes ?

599

Difference between predicate, supplier and consumer ?

586

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Un-Answered Questions { Core Java }

What are the pillars of java?

491

What is valid keyword in java?

561

When do we use hashset over treeset?

538

What is are packages?

591

What exceptions occur during serialization?

612

How does queue work in java?

532

How do you convert string to int in java?

565

Is a class an object?

582

Difference between arraylist and vector.

594

List some features of the abstract class.

596

Is zero a natural number?

572

What type of variable is gender?

552

How will you load a specific locale?

540

What do bitwise operators do?

531

How many unicode characters are there?

560

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