Analyze the following program fragment:

Question

```
int x;
double d = 1.5;
switch (d) {
case 1.0: x = 1;
case 1.5: x = 2;
case 2.0: x = 3;
}
```
a. The program has a compile error because the required break statement is missing in the switch statement.
b. The program has a compile error because the required default case is missing in the switch statement.
c. The switch control variable cannot be double.
d. No errors.

Answer 1

c. The switch control variable cannot be double.
The switch value cannot be a floating-point number.