/**This code is for those who are first learning about C++ switch statements * Detailed comments can be found at the end of the code * HAPPY LEARNING! */ /** This program allows the user to pick a number between 1 and 7 and prints on the screen the corresponding day of the week. */ /*************** CODE ************************/ #include using namespace std; int main(){ int day = 0; /*see 1*/ cout << "Enter a number between 1 and 7: "; cin >> day; switch (day){ /*see 2*/ case 1 : cout << "Monday"; /*see 3*/ break; /*see 4*/ case 2 : cout << "Tuesday"; break; case 3 : cout << "Wednesday"; break; case 4 : cout << "Thursday"; break; case 5 : cout << "Friday"; break; case 6 : cout << "Saturday"; break; case 7 : cout << "Sunday"; break; default : cout << "Not a valid entry"; /*see 5*/ break; } return 0; } /*************** COMMENTS ********************/ /* 1. int day is used to store the value entered by the user. day also serves as the key for the switch statement. */ /* 2. The program will try to match the value of the key to any of the cases within the switch. */ /* 3. if for example day=1. Monday will be printed on the screen. The process is similar for any valid value of day.*/ /* 4.The break statement causes the immediate exit from the switch statement. If break is omitted then we will have a fallthrough where all other cases will also execute until a break is found or is the end of switch. */ /* 5. The default case is executed if there is no other case match. Default is optional but recommended. You can only add one default case.*/

C++ Switch Statement Example - Days of the week