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 5324

where final and static variable stored?

3 15932

does java support default argument in Method?

1 3607

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

2 4404

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

2 4680

why java does not support unsigned keyword?

1 5139

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

1922

Can a class be subclass of itself?

4 6970

java is fullu object oriented or pure? why?

8 9699

What is the difference between Object and Instance?

TCS,

5 9611

how to java plateform independent?

TCS,

5 6960

Why does java doesnot support multiple inheritance?

TCS,

5 7859

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

TCS,

3 7460

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

2078

Why does java doesnt suuport unsigned values?

ABC,

2184

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Un-Answered Questions { Core Java }

How do you implement polymorphism in our day to day life?

3182

What is treeset and treemap in java?

1017

What is the meaning of variables in research?

991

What is map java?

924

What are conditionals and its types?

1084

Define an enumeration?

988

What happens to the Exception object after handling an exception?

2329

Can we declare array without size in java?

967

What is += mean in java?

960

Does java have a compiler?

986

Explain garbage collection in java?

931

Explain importance of inheritance in java?

970

What is return type in java?

1016

Can two objects have same hashcode?

951

What are the drawbacks for singleton class?

954

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