switch

If you want test value of a variable result of an expression then you can use switch()

If first case value is not match with switch(variable) variable then it chech next case. That case match with switch(variable) variable which statement will be execute after execution switch statement will be terminate.

Syntax

switch( variable/expression ){
case value-1:
/* code here*/
break;
case value-2:
/* code here*/
break;
case value-3:
/* code here*/
break;
case value-4:
/* code here*/
break;
---------------
---------------
default:
/* code here*/
break;
}

Program

#include <stdio.h> 
#include <conio.h> 
void main(){ 
 int dayNum; 
 clrscr();
 printf("\n This is a switch statement program.");
 printf("\n Enter number for day: ");
 scanf("%d",&dayNum);
 switch( dayNum ){
 case 0:
 printf("\n SUNDAY ");
 break;
 case 1:
 printf("\n MONDAY ");
 break;
 case 2:
 printf("\n TUESDAY ");
 break;
 case 3:
 printf("\n WEDNESDAY ");
 break;
 case 4:
 printf("\n THURSDAY ");
 break;
 case 5:
 printf("\n FRIDAY ");
 break;
 case 6:
 printf("\n SATURDAY ");
 break;
 default:
 printf("\n Enter value between 0 to 6 ");
 break;
 }
 getch();
}

See Output

Program

#include <stdio.h> 
#include <conio.h> 
void main(){
 int dayNum;
 clrscr();
 printf("\n This is a switch statement program.");
 printf("\n Enter number for day: ");
 scanf("%d",&dayNum);
 switch( dayNum ){
 case 1:
 case 2:
 case 3:
 case 4:
 case 5:
 printf("\n Regular Days ");
 break;
 case 0:
 case 6:
 printf("\n Week end Days ");
 break;
 default:
 printf("\n Enter value between 0 to 6 ");
 break;
 }
 getch();
}

See Output

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