** :**  
    ( ).

**:**
```java
public class ProductOfArray {
    public static void main(String[] args) {
        int[] str = {1, 2, 3, 4, 5};
        System.out.println(massiv(str));
    }

    public static int massiv(int[] str) {
        int res = 1;

        for (int i = 0; i < str.length; i++) {
            res *= str[i];
        }
        return res;
    }
}
```
####    :
```
120
```

---

####  :
-      `0`,      `1` (  0  !)
- `res *= str[i]`    ,  `res = res * str[i]`
- 1  2  3  4  5 = 120