import java.util.*;

public class ArrayListExample {
    public static void main(String[] args) {
        /* ARRAY */
        // construct an empty array of strings
        String[] arr = new String[6];
        arr[0] = "According";
        arr[1] = "to";
        arr[2] = "known";
        arr[3] = "laws";
        arr[4] = "of";
        arr[5] = "aviation";
        
        System.out.println("arr = " + arr);
        
    
        /* ARRAYLIST */
        // construct an empty list of strings
        // Client
        ArrayList<String> list = new ArrayList<String>();
 
        // add words to the list
        list.add("According");
        list.add("to");
        list.add("known");
        list.add("laws");
        list.add("of");
        list.add("aviation");
        
        // whoops, forgot a word
        list.add(2, "all");
      
        System.out.println("list = " + list);
    }
}