角色类实例方法

public class Main 

{

   public static void main(String[] args)
   /* from 
   n o w j a v a . c o m - 时  代  Java*/

   {

      Character c1 = 'A';

      Character c2 = 'a';


      System.out.printf(

         "c1 = %s\nc2 = %s\n\n", c1.charValue(), c2.toString());


      if (c1.equals(c2))

         System.out.println("c1 and c2 are equal\n");

      else

         System.out.println("c1 and c2 are not equal\n");

   } 

}