Equality operator

Equality operator :  this operator works upon two operand.

11)      (==) operator.

Return value:   true (1)  // when both operand are equal

                           False(0)  // when both are not equal

int a=5,b=6;

a==b;  // will return 0.

22)      (!=) operator.

Return value:  true(1)   // when both operands are not equal.

                           False(0)  // when both are equal.

a!=b    //will return 1.