[USACO17FEB]Why Did the Cow Cross the Road III P
//真實物件和代理物件都實現同一個介面
//代理物件要代理真實角色
//好處：代理物件可以做真實物件做不了的事情；真實物件專注做自己的事情
public class StaticProxy {
public static void main(String[] args) {
// WeddingCompany weddingCompany= new WeddingCompany(new You());
// weddingCompany.HappyMarry();
// You y =new You();
new Thread(()-> System.out.println("我愛你")).start();
new WeddingCompany(new You()).HappyMarry();
}
}
interface Marry{
void HappyMarry();
}
//真實角色
class You implements Marry{
@Override
public void HappyMarry() {
System.out.println("秦老師要結婚，超開心");
}
}
//代理角色
class WeddingCompany implements Marry{
//代理誰--》真實目標角色
private Marry target;
public WeddingCompany(Marry target) {
this.target = target;
}
@Override
public void HappyMarry() {
before();
this.target.HappyMarry();//這就是真實物件
after();
}
private void after() {
System.out.println("結婚之後，收尾款");
}
private void before() {
System.out.println("結婚之前，佈置現場");
}
}