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Core Java Interview Questions
Questions Answers Views Company eMail

Write a program to reverse a number in java?

 552

Explain the difference between treeset and treemap in java?

 516

Can you override static method in java?

 1 1015

What is difference between fileinputstream and filereader in java?

 551

How to compare strings in java?

 494

How to do a true java ping from windows?

 610

How to split a string in java?

 617

do I need to use synchronized on setvalue(int)? : Java thread

 544

when you will synchronize a piece of your code? : Java thread

 523

what do you understand by synchronization? Or what is synchronization and why is it important? Or describe synchronization in respect to multithreading? Or what is synchronization? : Java thread

 478

how to create multithreaded program? : Java thread

 495

why would you use a synchronized block vs. Synchronized method? : Java thread

 526

what is deadlock? : Java thread

 517

what is the difference between yielding and sleeping? : Java thread

 516

what is synchronization? : Java thread

 551

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Un-Answered Questions { Core Java }

If we don’t want some of the fields not to serialize how to do that?

555

What does %d do in java?

571

Mention the default values of all the elements of an array defined as an instance variable.

508

How much ram can a 64 bit processor theoretically?

455

When is the finalize() called? What is the purpose of finalization?

573




What is procedure overloading?

1790

When throws keyword is used?

574

Is alive and join method in java?

529

Can we override compareto method?

492

What are byte codes?

647

Is empty .java file name a valid source file name?

579

How to sort double array in java?

579

Difference between overriding and overloading in java?

566

How to solve the problem of generating the unique hash keys with hash function?

1453

How do you achieve polymorphism in java?

511

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