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Switch case MCQ 17: Negative Case Labels are allowed

Problem Statement 17 : Negative Case Labels are allowed

void main()
{
 int choice = -2 ;
   switch(choice)
   {
   case -1:
         printf("\nCase -1");
         break;
   case -2:
         printf("\nCase -2");
         break;
   }
}

Options : Is it necessary to have Case Labels greater than Zero

1. Yes
2. No

[toggle title=”Output”]No[/toggle]No

How ? Why ?

1. Generally Case Label Should be Integer / Constant
2. Negative numbers having no decimal point are also considered as Integer
3. Thus it is not necessary to have Case Labels greater than Zero