What is Switch Statement in C with example ?

webmaster — Mon, 03 Oct 2022 06:56:02 +0000

Switch statement is an alternative to if else ladder statement which allows us to execute multiple operations for different values.
We can define various statement in multiple cases for different values of single variable.

Rules for switch statement

Switch expression should be an integer or character data type.
Case value must be an integer or constant value.
We can use only case value inside the switch statement.
Break statement is not mandatory in switch. It is optional.
If a program does not find a break statement in switch expression, all the cases in the switch will be executed along with the matched case.

Syntax for switch statement

switch(expression){    
case value1:    
//code to be executed;    
break;  //optional  
case value2:    
//code to be executed;    
break;  //optional  
......    
default:     
code to be executed if all cases are not matched;    
}

Flow chart for switch

Sample Program

    #include

    int main() {
      int number = 0;
      printf("enter a number:");
      scanf("%d", & number);
      switch (number) {
      case 10:
        printf("number is equals to 10");
        break;
      case 50:
        printf("number is equal to 50");
        break;
      case 100:
        printf("number is equal to 100");
        break;
      default:
        printf("number is not equal to 10, 50 or 100");
      }
      return 0;
    }

what is switch in c programming - Wikitechy

What is Switch Statement in C with example ?

Rules for switch statement

Syntax for switch statement

Flow chart for switch

Sample Program

Output