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C++ switch Keyword

❮ C++ Keywords

Example

Calculate the weekday name:

int day = 4;
switch (day) {
  case 1:
    cout << "Monday";
    break;
  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;
}
// Outputs "Thursday" (day 4)

Try it Yourself »

Definition and Usage

The switch keyword selects one of many code blocks to be executed.

From the example above, it works like this:

  • The switch expression is evaluated once.
  • The value of the expression is compared with the values of each case.
  • If there is a match, the associated block of code is executed.
  • The break keyword is used to break out of the switch block when a match is found

Related Pages

Read more about the switch statement in our C++ Switch Tutorial.

❮ C++ Keywords