Core Java Interview Questions
Questions Answers Views Company eMail

Which command from the jdk compiles a java program?

491

What is the difference between == and === javascript?

578

What is regex java?

565

Which programming language is best in future?

527

Is java util regex pattern thread safe?

518

Is java a software?

516

Is array serializable java?

525

What is java life cycle?

541

Can we serialize arraylist in java?

547

What are the states of thread in java?

519

Why are getters and setters used?

573

Which is easier netbeans or eclipse?

614

How do I run java on windows?

532

What is a stringbuffer?

517

What does string mean in java?

631


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Un-Answered Questions { Core Java }

How many bytes is a char in java?

533


Explain OOPs concept.

653


What is static variable with example?

565


What about main thread in java?

652


What do heavy weight components mean in java programming?

527






What are the drawbacks for singleton class?

524


What does t in java mean?

539


Difference between Preemptive scheduling vs. Time slicing?

575


What carriage return means?

532


What is meant by interface?

566


How garbage collection is done in java?

551


How to convert string to char and vice versa?

520


What are the two ways of implementing multi-threading in java?

820


Where is the singleton class used?

587


What does nextint () do in java?

554