Architecture Phase1 Week3:HomeWork

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发布于: 2020 年 10 月 03 日

单例模式设计，使用默认方式进行创建提高单例执行效率。                                                               
﻿
public interface UIComponent{
public abstract void draw();
public hashmap containers=new hashmap();
public abstract size getSize();
public abstract void setSize();
}
﻿
public class button implements UIComponent{
public void draw(){
println("Button");
}
}
﻿
public class label implements UIComponent{
public void draw(){
println("Button");
}
}
﻿
public class Container implements UIComponent{
public void addComponent(UIComponent component){
containers.push_back(component);
}
public void draw(){
for(int i=0;i<containers.length;i++){
containers[i].draw();
}
}
}
﻿
public class window extends Container{
public void draw(){
println("draw window");
base.draw)();
}
}