Java: Cast ArrayList to Array

import java.util.ArrayList;

public class CastAryListToArray {
   public static void main(String arg[]){
   //How to cast ArrayList to Array
   //The following code will store arraylist value into array:
   ArrayList al = new ArrayList();
   al.add("a");
   al.add("b");
   al.add("c");
   String XAxisValue[] = new String[al.size()];
   al.toArray(XAxisValue);
   
   for(int i=0;i<XAxisValue.length;i++){
      System.out.println("XAxisValue["+i+"] = " + XAxisValue[i]);
   }
 }
}