Interview Questions Answers in Core Java

soumya

{ City } kolkata
< Country > india
* Profession * software engineer
User No # 107538

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Questions / { soumya }

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Why Static variable required in java?For ex,class A { static int a; int b; } Why static is required?

Ericsson,

5 Core Java 8656

Why method overloading and method overriding required in java?

Ericsson, Wipro,

1 Core Java 4969

In collection sorting comparable and comparator interface will be used..but why this two interfaces required..two will work same purpose so why there are two interfaces instead of one?when to use comparator and when to use comparable?

Ericsson,

1 Core Java 4799

Answers / { soumya }

Question { Ericsson, 8656 }

Why Static variable required in java?For ex,class A
{
static int a;
int b;
}
Why static is required?

Answer

what is the advantage to declare a var as static instead of instance var..can you please tell me in brief?

Is This Answer Correct ?

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