Pattern of Eagle in Java design mode

http://www.verejava.com/?id=16999120847970

Package Com.flyweight.theory;public class testchess{public static void Main (string[] args) {Chess black1=ch                Essfactory.getchess ("Black Chess");                        Chess black2=chessfactory.getchess ("Black Chess");                Chess white1=chessfactory.getchess ("White Chess");    System.out.println (Chessfactory.getsize ()); }}package com.flyweight.theory;import Java.util.hashmap;import Java.util.map;public class ChessFactory{private        Static map<string,chess> map=new hashmap<string,chess> ();    public static int GetSize () {return map.size ();        } public static Chess getchess (String key) {Chess chess=null;            if (Map.get (key) ==null) {chess=new chess (key);        Map.put (key, chess);        } else {chess=map.get (key);    } return chess;    }}package Com.flyweight.theory;public class chess{private int x, y;        Private String type;   Public Chess (String type) {     Super ();    This.type = type;    } public int GetX () {return x;    } public void SetX (int x) {this.x = x;    } public int GetY () {return y;    } public void sety (int y) {this.y = y;    } public String GetType () {return type; }        }

http://www.verejava.com/?id=16999120847970

Pattern of Eagle in Java design mode