Selection statement in C

C support 2 selection statement


If    and  Switch


General form of  IF is


if ( expression ) statement;
else  statement.


Nested IF


if (i)
{
if (j) does something( );
if(k) doessomething( );
else doessomething( );
}
else doessomething( );




? this operator can replace the if-else statement into the general form


? is called ternary operator


General form is


Exp1 ? Exp2 : Exp3


Exp1 is evaluvated if it is true then print Exp2 else print Exp3


Example


X=10;
Y=X>9 ? 100 : 200;