Test by Bikram | Programming | Test 2 | Question: 29

Question

Spot the error(s) in this code snippet :

int n=2;   // Line 1
switch(n)
{
case 1.5:
printf( "gate");
break;
case 2:
printf( "overflow");
break;
case 'A':
printf("gateoverflow");
}         // Line 12

The error(s) is in line number _____.

Answer 1

In line number 4, case 1.5 is invalid,the value in case statement is always integer.

Comments

No need to integer it can be integral type (int,char,enum) which should be evaluated at compile-time.

#include <stdio.h>
int main()
{
        enum day {sun=5,mon,tue};
        enum day today=sun;
    int n=7;   // Line 1
    switch(n)
    {
        case (sizeof(int)):
            printf( "gate");
            break;
        case 'j':
            printf( "over");
            break;
        case tue:
            printf("flow");
    }   
}

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@Shaik Masthan so only float will never allowed?

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Float or double or variables etc can't allowed.

Which I mentioned are Only allowed