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 5429

where final and static variable stored?

3 16048

does java support default argument in Method?

1 3678

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

2 4525

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

2 4798

why java does not support unsigned keyword?

1 5249

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

1972

Can a class be subclass of itself?

4 7130

java is fullu object oriented or pure? why?

8 9948

What is the difference between Object and Instance?

TCS,

5 9801

how to java plateform independent?

TCS,

5 7127

Why does java doesnot support multiple inheritance?

TCS,

5 8041

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

TCS,

3 7584

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

2116

Why does java doesnt suuport unsigned values?

ABC,

2229

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Un-Answered Questions { Core Java }

What is a functional interface?

1015

What are void methods?

1014

Which class represents the socket that both the client and server use to communicate with each other?

1035

What is anti pattern in java?

964

Does A Class Inherit The Constructors Of Its Superclass?

1067

What is double parsedouble in java?

1043

Name few "optional" classes introduced with java 8 ?

1131

What is consumer interface?

994

How do you convert bytes to character in java?

996

What does compareto () do in java?

991

What is the difference between serial and throughput garbage collector?

1094

What are different types of multitasking?

953

What is a bufferedreader?

1082

What is replacefirst in java?

1100

What is meant by javabeans?

1088

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