season.java

Java面向对象编程(随书配套源代码) 阐述了面向对象编程的思想

package chapter7;
public  enum Season implements IEnumSeason
{
   Spring("春"){
	   public String toString()
	   {
		   return "春天";
	   }
   }
   ,Summer("夏"){
	   public String toString()
	   {
		   return "夏天";
	   }   
   }
   ,Fall{
	   
	   public String toString()
	   {
		   return "秋天";
	   }
	   
   }
   ,Winter {
	   public String toString()
	   {
	      return "冬天";
	   }
   }
   ;
    
   public  String cnName = "";
   private Season()
   {
	   
   }
   private Season(String s)
   {
	   this.cnName =s;
   }
   
  
   public static void listSeason()
   {
	   for(Season s:Season.values())
	   {
		   System.out.println(s.toString());
	   }
   }
   public String toString()
   {
	   switch(this)
	   {
	       case Spring:
	    	   return "春";
	       case Summer:
	    	   return "夏";
	       case Fall:
	    	    return "秋";
	       case Winter:
	    	   return "冬";
	       default :
	    	   return "错误";
	   }
   }
   
   public static void main(String [] args)
   {
	   listSeason();   
	   
   }
   
   public  String getCnName()  
   {
	   return this.cnName;
   }
   public void setCnName(String s)
   {
	   this.cnName = s;
   }
   
   public static class Week{
	   
	   
   }
}