switch Statement

Switch Statement in C

The switch statement allows us to execute a block of code among many alternatives.

It executes the statements associated with it.

it is used to perform different actions based on different conditions or cases.

Syntax

        
switch (expression)
​{
    case constant1:
    // statements
    break;
            
    case constant2:
    // statements
    break;
    .
    .
    .
    default:
    // default statements
}      
        
    

Program

        
#include <stdio.h>
int main()
{
    char grade;
    printf("Enter grade between A and E : ");
    scanf("%c", &grade);
                
    switch(grade)
    {
        case 'A' :
        printf("Excellent!\n" );
        break;
                
        case 'B' :
        printf("Well done\n" );
        break;
                
        case 'C' :
        printf("Very good\n" );
        break;
                
        case 'D' :
        printf("You passed\n" );
        break;
                
        case 'E' :
        printf("Better try again\n" );
        break;
                
        default :
        printf("Invalid grade\n" );
    }
    printf("Your grade is %c\n", grade);
    return 0;
}
    
    

Output 1

        
Enter grade between A and E : C
Very good
Your grade is C             
        
    

Output 2

        
Enter grade between A and E : Z
Invalid grade
Your grade is Z             
        
    

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