属性:轮子个数,轮子颜色

行为:跑(输出语句模拟:”瞪着跑”,输出语句中要有自行车的属性)

电动车类:

属性:轮子个数,轮子颜色,电池(布尔类型:真代表有电,假代表没电)

行为:跑(如果电池有电就骑着跑,如果电池没电只能瞪着跑)

注意:骑着跑用输出语句模拟,瞪着跑需要调用自行车类的跑方法

package kehouzuoye.zuoye04;

public class Bicycle {

public String getWheel() {

return wheel;

}

public void setWheel(String wheel) {

this.wheel = wheel;

}

public String getColor() {

return color;

}

public void setColor(String color) {

this.color = color;

}

// 属性:轮子个数,轮子颜色

// 行为:跑(输出语句模拟:”瞪着跑”,输出语句中要有自行车的属性)

// 电动车类:

// 属性:轮子个数,轮子颜色,电池(布尔类型:真代表有电,假代表没电)

// 行为:跑(如果电池有电就骑着跑,如果电池没电只能瞪着跑)

// 注意:骑着跑用输出语句模拟,瞪着跑需要调用自行车类的跑方法

private String wheel;

private String color;

public void go(){

System.out.println("蹬着"+this.getWheel()+"轮子的"+this.getColor()+"的车");

}

}

上面是自行车类

package kehouzuoye.zuoye04;

public class ElectricVehicle extends Bicycle{

private boolean battery;

public void run() {

if(battery==true){

System.out.println("骑着"+this.getWheel()+"轮子的"+this.getColor()+"的车");

}else{

go();

}

}

public boolean isBattery() {

return battery;

}

public void setBattery(boolean battery) {

this.battery = battery;

}

}

上面是电动车类

下面是测试类

package kehouzuoye.zuoye04;

public class Test{

public static void main(String[] args) {

ElectricVehicle electricVehicle = new ElectricVehicle();

System.out.println("没电了");

electricVehicle.setColor("白色");

electricVehicle.setWheel("2个");

electricVehicle.setBattery(false);

electricVehicle.run();

Bicycle bicycle=(Bicycle) electricVehicle;

bicycle.setColor("黑色");

bicycle.setWheel("2个");

System.out.println("电充好了");

electricVehicle.setBattery(true);

electricVehicle.run();

}

}

标签：调用,Java,String,battery,void,electricVehicle,轮子,public,模拟

来源： https://blog.csdn.net/GuoWuZhu/article/details/100696185