android开发 装饰者模式
2016-03-17 11:59 宁小哥 阅读(294) 评论(0) 编辑 收藏 举报1.
package test;
interface Dongwu {
void eat();
}
2.
package test;
public class Gou implements Dongwu{
public void eat() {
// TODO Auto-generated method stub
System.out.println("我是小狗");
}
}
3.
package test;
public class Mao implements Dongwu{
@Override
public void eat() {
// TODO Auto-generated method stub
System.out.println("我是小猫");
}
}
4.
package test;
public class ADongwu implements Dongwu{
private Dongwu dongwu;
public ADongwu(Dongwu dongwu) {
// TODO Auto-generated constructor stub
this.dongwu = dongwu;
}
@Override
public void eat() {
// TODO Auto-generated method stub
System.out.println("A家的动物吃饭前要先跑一跑");
dongwu.eat();
}
}
5.
package test;
public class BDongwu implements Dongwu{
private Dongwu dongwu;
public BDongwu(Dongwu dongwu) {
// TODO Auto-generated constructor stub
this.dongwu = dongwu;
}
@Override
public void eat() {
// TODO Auto-generated method stub
System.out.println("B家的动物吃饭先要先跳一跳");
dongwu.eat();
}
}
6.
package test;
public class Test {
public static void main(String args []) {
Gou gou = new Gou();
ADongwu a = new ADongwu(gou);
a.eat();
Gou gou2 = new Gou();
BDongwu b = new BDongwu(gou2);
b.eat();
}
}
