# 28: Arrays intersection

Find the intersection of `two arrays`

`Example 1`

```
Input: array1 = [15, 9, 23, 9] array2 = [16, 23, 9]
Output: [9, 23]
```

`Example 2`

```
Input: array1 = [2, 4, 5] array2 = [16, 23, 9]
Output: []
```

Find the intersection of `two arrays`

`Example 1`

```
Input: array1 = [15, 9, 23, 9] array2 = [16, 23, 9]
Output: [9, 23]
```

`Example 2`

```
Input: array1 = [2, 4, 5] array2 = [16, 23, 9]
Output: []
```