how to use switch statement c++ code example

Example 1: c++ switch case statement

switch (n)
{
    case 1: // code to be executed if n = 1;
        break;
    case 2: // code to be executed if n = 2;
        break;
    default: // code to be executed if n doesn't match any cases
}

Example 2: switch statement c++

switch(expression) {
   case constant-expression  :
      statement(s);
      break; //optional
   case constant-expression  :
      statement(s);
      break; //optional
  
   // you can have any number of case statements.
   default : //Optional
      statement(s);
}

Example 3: switch case sinax c++

switch (<espressione>)
{
case <valore costante 1>:
// istruzioni
break;


case <valore costante 2>:
// istruzioni
break;
...
case <valore costante N>:
// istruzioni
break;
default:
// istruzioni
break;
}

Example 4: c++ switch case

switch(expr) {
  case 1:
    // do something
    break;
  case 2:
    // do something
    break;
  default:
    // do something
}