Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

What is the difference between Byte stream and Charecter Stream?

Tarang Software,

2 4351

where final and static variable stored?

3 14804

does java support default argument in Method?

1 2992

Why does java not allow multiple public classes in a java file ?

2 3425

what is the reason behind non static method cannot be referenced from a static Context?

2 3597

why java does not support unsigned keyword?

1 4238

If goto and const is reserve words than why it is not work in java?

1498

Can a class be subclass of itself?

4 5679

java is fullu object oriented or pure? why?

8 7561

What is the difference between Object and Instance?

TCS,

5 7914

how to java plateform independent?

TCS,

5 5435

Why does java doesnot support multiple inheritance?

TCS,

5 6387

What are the characteristics provided in jdk1.6 apart from other versions?

TCS,

3 6460

What does those terms actually mean included in the j.d.k i.6?

1593

Why does java doesnt suuport unsigned values?

ABC,

1788

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Un-Answered Questions { Core Java }

What is arraylist class in java?

502

What is the purpose of interface?

571

Why are pointers not secure?

529

What is the use of generics? When was it added to the Java development Kit?

551

What is a locale?

686

What is java developer skills?

501

Give few examples of final classes defined in Java API?

696

What is communist flag?

561

What are different access specifiers in java? Explain

618

Can you override private or static method in java?

542

What is downcasting?

561

Explain a situation where finally block will not be executed?

568

What are the practical benefits, if any, of importing a specific class rather than an entire package (e.g. Import java.net.* Versus import java.net.socket)?

586

What is passed by reference and pass by value ?

576

Does anyone still use java?

575

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