import java.awt.Color;

public class MaxDemo
{
   public static <E extends Comparable> E max(E[] a)
   {
      E largest = a[0];
      for (int i = 1; i < a.length; i++)
      {
         if (a[i].compareTo(largest) > 0) 
         {
            largest = a[i];
         }
      }
      return largest;
   }

   public static void main(String[] args)
   {
      String[] words = { "Mary", "had", "a", "little", "lamb" };

      Color[] colors = { Color.RED, Color.GREEN, Color.BLUE, Color.YELLOW };

      Integer[] squares = { 1, 4, 9, 16, 25, 36 };

      System.out.println(max(words)); // Calls max<String>
      // System.out.println(max(colors)); // Error: Color is not Comparable
      System.out.println(max(squares)); // Calls max<Integer>
   }

}