switch error

#include<stdio.h>

main()

{

int i=1,j=2;

switch(i)

 {

 case 1:  printf("GOOD");

        break;

 case j:  printf("BAD");

       break;

 }

}

Answer:

Compiler Error: Constant expression required in function main.

Explanation:

The case statement can have only constant expressions (this implies that we cannot use variable names directly so an error).

    Note:

Enumerated types can be used in case statements. 

Blog Author: Vijay Kumar

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