Discussion
What will be the output of the program?
#include <stdio.h>
int main()
{
int i=4;
switch(i)
{
default:
printf("This is default\n");
case 1:
printf("This is case 1\n");
break;
case 2:
printf("This is case 2\n");
break;
case 3:
printf("This is case 3\n");
}
return 0;
}
Answer: A
Correct answer: This is default This is case 1
i is 4, which matches no case, so control jumps to default - and default need not be last. Having no break, execution then falls through into case 1, whose break finally ends the switch. So two lines are printed.
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