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 create an immutable class?

562

Explain the importance of finalize() method.

558

Why a dead thread occurs?

566

Why synchronization is important in java?

552

What are different types of states exist for a thread?

540

is it possible to instantiate the math class?

520

Explain how to force the garbage collection in java.

521

Can you explain the usages of class.forname()?

597

What is an immutable class? How to create an immutable class?

531

What is a java object and java application?

570

Explain the significance of listiterator.

575

Define reflection.

567

What is the best way to findout the time/memory consuming process?

547

What is polymorphism in java? What are the kinds of polymorphism?

564

What is final?

595

Post New Core Java Questions

Un-Answered Questions { Core Java }

How do you do descending order in java?

515

Explain the difference between call by refrence and call by value?

555

Write a program to check string is palindrome without using loop?

561

What is adapter in java?

506

Is a method a function?

538

Can we declare the main method of our class as private?

544

What is the independent variable in an experiment?

539

If a method is declared as protected, where may the method be accessed in java programming?

485

What is double checked locking in singleton?

601

What is == in java?

554

What is passing value java?

504

What is jit compiler in java?

573

Is java an open source?

515

Can a class with private constructor be extended?

479

Which class is used by server applications to obtain a port and listen for client requests?

484

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