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 3689

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

2 4540

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

2 4806

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 9977

What is the difference between Object and Instance?

TCS,

5 9839

how to java plateform independent?

TCS,

5 7157

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?

2121

Why does java doesnt suuport unsigned values?

ABC,

2237

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Un-Answered Questions { Core Java }

What is meant by class loader? How many types are there?

1254

Is java map thread safe?

962

What is the purpose of lambda expressions?

1058

Is 0 true or false?

1003

What is foreach loop in java?

1017

Is java util regex pattern thread safe?

1019

What is java jit compilers?

1011

What are the characteristics of Final,Finally and Finalize keywords.

1176

What is the difference between actual and formal parameters?

945

What is the final access modifier in java?

1078

What is meant by main method?

1064

What does serializing data mean?

941

Is empty string in java?

1178

What is the role of the java.rmi.naming class?

1070

How to sort an array from smallest to largest java?

986

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