运用设计模式编写画图软件

运用几种设计模式

package AbstractFactoryModel;

public abstract class Factory {
    public abstract Graph CreateCircle（）; 
    public abstract Graph CreateRectangle（）;
    public abstract Graph CreateTriangle（）;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-12-24 16:09  designermodel\
     文件         344  2016-12-24 16:09  designermodel\.classpath
     文件         389  2016-11-29 22:04  designermodel\.project
     目录           0  2016-12-13 23:40  designermodel\.settings\
     文件         598  2016-11-29 22:04  designermodel\.settings\org.eclipse.jdt.core.prefs
     目录           0  2016-12-24 16:09  designermodel\bin\
     目录           0  2016-12-19 23:40  designermodel\bin\AbstractFactoryModel\
     文件         395  2016-12-19 23:40  designermodel\bin\AbstractFactoryModel\Factory.class
     文件         390  2016-12-19 23:40  designermodel\bin\AbstractFactoryModel\Graph.class
     文件         764  2016-12-19 23:40  designermodel\bin\AbstractFactoryModel\PaintFactory.class
     文件         890  2016-12-19 23:40  designermodel\bin\AbstractFactoryModel\RegularCircle.class
     文件         927  2016-12-19 23:40  designermodel\bin\AbstractFactoryModel\RegularRectangle.class
     文件        1088  2016-12-19 23:40  designermodel\bin\AbstractFactoryModel\RegularTriangle.class
     文件       73488  2016-12-24 16:07  designermodel\bin\back.jpg
     目录           0  2016-12-19 23:40  designermodel\bin\Bridgingmodel\
     文件         392  2016-12-19 23:40  designermodel\bin\Bridgingmodel\Bridging.class
     文件         733  2016-12-19 23:40  designermodel\bin\Bridgingmodel\Bridging1.class
     文件         838  2016-12-19 23:40  designermodel\bin\Bridgingmodel\Bridging2.class
     文件         560  2016-12-19 23:40  designermodel\bin\Bridgingmodel\Combine.class
     文件         724  2016-12-19 23:40  designermodel\bin\Bridgingmodel\Combine1.class
     文件         725  2016-12-19 23:40  designermodel\bin\Bridgingmodel\Combine2.class
     目录           0  2016-12-19 23:40  designermodel\bin\Bulidermodel\
     文件         684  2016-12-19 23:40  designermodel\bin\Bulidermodel\Build.class
     文件         943  2016-12-19 23:40  designermodel\bin\Bulidermodel\Build1.class
     文件         756  2016-12-19 23:40  designermodel\bin\Bulidermodel\Bulid1Builder.class
     文件        1734  2016-12-19 23:40  designermodel\bin\Bulidermodel\Picture.class
     目录           0  2016-12-19 23:40  designermodel\bin\Commandmodel\
     文件         479  2016-12-19 23:40  designermodel\bin\Commandmodel\Command.class
     文件         572  2016-12-19 23:40  designermodel\bin\Commandmodel\Controller.class
     文件         635  2016-12-19 23:40  designermodel\bin\Commandmodel\DrawOvalsCommand.class
     文件         626  2016-12-19 23:40  designermodel\bin\Commandmodel\DrawRectsCommand.class
............此处省略82个文件信息