C Switch

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The switch statement allows a variable to be checked for equality against a list of values that are defined in the code.


Each value is defined as the case, and the variable being switched is checked for each switch case.

C Switch Statement

Syntax:-

switch(expression) {
	case constant-expression  :
	statement(s);
	break;	/* optional */
	
    case constant-expression  :
	statement(s);
	break;	/* optional */
 
  	/* you can have N number of case statements */
    
  	default :	/* Optional */
	statement(s); /* If the above case matched or not. Default case always to be executed. */
}

Example:-

#include <stdio.h> 
void main(){    
int a=0;     
printf("Enter the value of a:");    
scanf("%d",&a);    
    switch(a){    
        case 0:    
        printf("value is zero");    
        break;    
        case 1:    
        printf("value is one");    
        break;    
        case 100:    
        printf("value is hundred");    
        break;    
        default:    
        printf("value is not 10, 50 or 100");    
    }   
}
Run ›
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