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 5450

where final and static variable stored?

3 16061

does java support default argument in Method?

1 3688

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

2 4539

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

2 4805

why java does not support unsigned keyword?

1 5254

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

1974

Can a class be subclass of itself?

4 7154

java is fullu object oriented or pure? why?

8 9973

What is the difference between Object and Instance?

TCS,

5 9836

how to java plateform independent?

TCS,

5 7156

Why does java doesnot support multiple inheritance?

TCS,

5 8069

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

TCS,

3 7602

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

2120

Why does java doesnt suuport unsigned values?

ABC,

2237

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Un-Answered Questions { Core Java }

Can a top level class be private or protected?

1055

Why enumeration is faster than iterator?

937

What is ph and buffers?

1006

What is fail fast in java?

1164

What is the difference between throw and throws in java?

1099

What does the exclamation mark mean in java?

1250

What happens when main () method is declared as private?

1145

Why stringbuilder is not thread safe?

1031

What about instanceof operator in java?

1022

What is a class in java?

1012

What are strings in physics?

1015

What do you mean by thread safe?

976

What is public/private protected in java?

1041

Can you explain inner class.

1088

How do you identify if jvm is 32-bit or 64-bit from java program?

967

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