1  import java.awt.Color;

  2  

  3  /** 

  4     This class demonstrates a generic method for printing arrays.

  5  */

  6  public class PrintDemo

  7  {

  8     public static <E> void print(E[] a)

  9     {

 10        for (E e : a)

 11        {

 12           System.out.print(e + " ");

 13        }

 14        System.out.println();

 15     }

 16  

 17     public static void print(int[] a)

 18     {

 19        for (int e : a)

 20        {

 21           System.out.print(e + " ");

 22        }

 23        System.out.println();

 24     }

 25  

 26     public static void main(String[] args)

 27     {

 28        String[] words = { "Mary", "had", "a", "little", "lamb" };

 29  

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

 31  

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

 33  

 34        print(words); // Calls print<String>

 35        print(colors); // Calls print<Color>

 36        print(squares); // Calls non-generic print      

 37     }

 38  }