Answer Posted / sujatha
unary operator is an type of operator which have only one
operand.
ex : 1)unary plus or minus (to change the sign of variable)
2)increment or decrement ( increase or decrease the
value of variable)
unary plus or minus :
ex :
#inclucde<iostream.h>
void main()
{
int a=-10;
cout<<"a="<<(-a);
int b=20;
cout<<"b="<<++b;
}
out put :
a=10
b=21
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