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Core Java Interview Questions
Questions Answers Views Company eMail

What is Restrictions in hibernate?

Bally Technologies,

1 5004

What is the difference between array and arraylist? what is the difference between arraylist and linkedlist?

EDS, Matrix,

8 22008

Does a class inherit the constructor of its super class?if it does, how can you hide that constructor? if it doesnot how can you call it from the sub class?

 2 7276

which methods consisting of the serilizable interface?

 3 5231

What is OOP?

BMC, Microsoft,

2 4963

What is encapsulation? Elaborate with example?

BMC,

1 7692

What is data abstraction? Elaborate with example?

BMC, TCS,

4 35468

What is casting?

BMC,

3 5427

What is thread?

BMC, Virtusa,

7 8245

What is advantage of using threads?

BMC,

2 9983

How the threads are synchronized?

BMC, CTS,

2 4784

What is Interface?

BMC,

8 9185

Do you know thread pools?

BMC,

1686

How multi processing is achieved in JAVA?

BMC,

5 20510

What is hash method?

 1 3614

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Un-Answered Questions { Core Java }

How to sort a collection of custom Objects in Java?

594

What is bufferedreader in java?

578

What is percentage in java?

569

What are constructors in java?

563

Why does abstract class have constructor?

552




What is port number in java?

585

What is the difference between a static and a non-static inner class in java programming?

524

What Is Query Throttling in java?

557

What does system.gc() and runtime.gc() methods do?

598

Define canvas?

564

What are the steps involved to create a bean?

676

What is the difference between Java Program Constructor and Java Program Method, What is the purpose of Java Program constructor Please Explain it Breafily?

595

What is a class variable?

566

What is == in java?

563

What is run time allocation?

574

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