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Core Java Interview Questions
Questions Answers Views Company eMail

what are three ways in which a thread can enter the waiting state? : Java thread

 568

explain different ways of using thread? : Java thread

 565

what do you understand by synchronization? : Java thread

 541

what are three ways in which a thread can enter the waiting state? Or what are different ways in which a thread can enter the waiting state? : Java thread

 513

what is the purpose of the wait(), notify(), and notifyall() methods? : Java thread

 549

what is thread? What are the high-level thread states? : Java thread

 778

what is a working thread? : Java thread

 540

what is the difference between preemptive scheduling and time slicing? : Java thread

 525

what happens when a thread cannot acquire a lock on an object? : Java thread

 530

what is synchronization and why is it important? : Java thread

 577

what is the difference between a threads start() and run() methods? : Java thread

 516

how can you take care of mutual exclusion using java threads? : Java thread

 599

why are wait(), notify() and notifyall() methods defined in the object class? : Java thread

 542

what is a green thread? : Java thread

 565

how to create multithreaded program? Explain different ways of using thread? When a thread is created and started, what is its initial state? Or extending thread class or implementing runnable interface. Which is better? : Java thread

 589

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Un-Answered Questions { Core Java }

How do you remove an element from an arraylist in java?

456

Give an example of call be reference significance.

601

What is the difference between java applets and applications?

558

What are white spaces in java?

518

What are the basic concepts of OOPS in java?

561




What are the important features of Java 8 release?

567

what is deadlock? : Java thread

517

What is difference between fail-fast and fail-safe?

580

When parseint method can be used?

529

What is the difference between compiler and jvm?

541

Is java a super set of javascript?

572

Why do we need variables?

523

Can string be considered as a keyword?

556

Is integer a class?

559

How many types of constructors are used in java?

532

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