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 4885

where final and static variable stored?

3 15399

does java support default argument in Method?

1 3317

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

2 3918

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

2 4215

why java does not support unsigned keyword?

1 4705

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

1756

Can a class be subclass of itself?

4 6320

java is fullu object oriented or pure? why?

8 8631

What is the difference between Object and Instance?

TCS,

5 8780

how to java plateform independent?

TCS,

5 6299

Why does java doesnot support multiple inheritance?

TCS,

5 7095

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

TCS,

3 7004

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

1811

Why does java doesnt suuport unsigned values?

ABC,

1988

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Un-Answered Questions { Core Java }

Explain the difference between call by refrence and call by value?

790

What are the characteristics of java?

729

What are the different types of garbage collectors in java?

813

What is static class

824

What is preflight request?

731

Explain garbage collection in java?

746

What is linked hashmap and its features?

779

How to optimize the javac output?

800

What is int short for?

725

Explain a few methods of overloading best practices in java?

744

What are 5 boolean operators?

843

A person says that he compiled a java class successfully without even having a main method in it? Is it possible?

813

What is a native method in java programming?

749

What is the difference between stringbuffer and stringbuilder?

763

os is developed in c no java is more secured then c na why dont the os developed is developed using java

3826

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