عبارت شرطی switch در سی پلاس پلاس!

switch (literal)
{
 case item1:
 do something;
 break;
 case item2:
 do something else;
 break;
 /* ... other cases go here ... */
 default:
 handle other inputs;
 break;
}

int _tmain(int argc, _TCHAR* argv[])
{
int i = 0;
while(true){
 cout << endl << "Enter a number between 1 and 5 <0 to exit>: ";
 cin >> i;
 switch (i)
 {
 case 0: 
 return 0;
 case 1:
 cout << "You entered number ONE!\n\n";
 break;
 case 2:
 cout << "You entered number TWO!\n\n";
 break;
 case 3:
 cout << "You entered number THREE!\n\n";
 //consider that here we do not used break! What will happen?
 case 4:
 cout << "You entered number FOUR!\n\n";
 break;
 case 5:
 cout << "You entered number FIVE!\n\n";
 break;
 default:
 cout << "Sorry, but we cant count more than FIVE and less than\
 ZERO!!\n";
 break;
 }
}    
return 0;
}