arraylist clear 28 29 method in java

1import java.util.ArrayList;
2public class ArrayListClearMethodExample
3{
4   public static void main(String[] args)
5   {
6      ArrayList<Integer> al = new ArrayList<Integer>(4);
7      al.add(9);
8      al.add(3);
9      al.add(5);
10      al.add(1);
11      System.out.println("ArrayList before clear() method: " + al);
12      al.clear();
13      System.out.println("ArrayList after clear() method: " + al);
14   }
15}