package com.itheima.other;
import org.junit.Test;
public class WrapperTest {
@Test
public void fun01(){
Qq qq = new Qq();
// qq.run();
// qq.stop();
Car car = new WraperCar(qq);
car.run();
car.stop();
}
interface Car{
void run();
void stop();
}
class Qq implements Car{
@Override
public void run() {
System.out.println("跑60迈...");
}
@Override
public void stop() {
System.out.println("刹车....");
}
}
class WraperCar implements Car{
Car car;
public WraperCar(Car car) {
this.car = car;
}
//改速度
@Override
public void run() {
System.out.println("加了鸡血,跑100迈...");
}
//刹车不改
@Override
public void stop() {
car.stop();
}
}
}
