The following code is supposed to return the last value in arraylist if it has one, if not, how could I return the exception?

```
public int getLast() {
        try {
            return arrl.get(arrl.size() - 1);
        } catch (Exception e) {
            System.out.println("Caught "+ e);
        }
    }

```

arrl here is ArrayList

I excuted above code and received "error: missing return statement"