Java solution || 0ms || 100% Beats✌
Code

# Code
```java []
class Solution {
    public int subtractProductAndSum(int n) {
        int product=1;
        int sum=0;
        while(n>0) {
            product *= n%10;
            sum += n%10;
            n/=10;
        }
        return product - sum;
    }
}
```
['Java']