remove last element from arraylist java

1ArrayList<Integer> list = new ArrayList<>();
2list.add(1);
3list.add(2);
4list.add(3);
5
6list.remove(list.size()-1); //removes 3

1// How to remove last element from arraylist in java
2import java.util.ArrayList;
3import java.util.List;
4public class ArrayListRemoveLastElement
5{
6   public static void main(String[] args)
7   {
8      List<Integer> al = new ArrayList<>();
9      al.add(56);
10      al.add(28);
11      al.add(39);
12      al.add(59);
13      al.add(82);
14      // using size() method to find index of last element
15      int index = al.size() - 1;
16      // deleting last element by passing index
17      al.remove(index);
18      System.out.println("After remove last element from arraylist: " + al);
19   }
20}

1Arrays.copyOf(original, original.length-1)