how to compare two arraylists are equal in java

1public class ArrayListExample 
2{
3    public static void main(String[] args) 
4    {
5        ArrayList<String> listOne = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "f"));
6         
7        ArrayList<String> listTwo = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e"));
8         
9        Collections.sort(listOne);
10        Collections.sort(listTwo);
11         
12        //Compare unequal lists example
13         
14        boolean isEqual = listOne.equals(listTwo);      //false
15        System.out.println(isEqual);
16         
17        //Compare equals lists example
18         
19        ArrayList<String> listThree = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "f"));
20         
21        isEqual = listOne.equals(listThree);      //true
22        System.out.println(isEqual);
23    }
24}
25