switch.dart

void main() {
    var day_number = 3;

    switch (day_number) {
        case 1: {
           print("Saturday");
        }   
        break;
        case 2: {
            print("Sunday");
        }
        break;
        case 3: {
            print("Monday");
        }
        break;
        case 4: {
            print("Tuesday");
        }
        break;
        case 5: {
            print("Wednesday");
        }
        break;
        case 6: {
            print("Thursday");
        }
        break;
        case 7: {
            print("Friday");
        }
        break;
    }
}