Java培訓之枚舉的用法

 package cn.com.myenum;
public enum Fruit{
    orange("桔子",0),apple("蘋果",1);
    private String name;
    private int index;
    private Fruit(String name,int index){
        this.index=index;
        this.name=name;
    }
    public static String getName(int index){
       for(Fruit f:Fruit.values()){
          if(f.getIndex()==index){
             return f.name;
          }
       }
       return null;
    }
    public static int getIndex(String name){
       for(Fruit f:Fruit.values()){
          if(f.getName().equals(name)){
             return f.index;
          }
       }
       return -1;   
    }
    public String getName(){
        return name;
    }
    public void setName(String name){
        this.name=name;
    }
    public int getIndex(){
        return index;
    }
    public void setIndex(int index){
        this.index=index;
    }
}


package cn.com.myenum;