java实验一 机动车 机动车java代码

package 机动车;

public class Vehicle {
	double speed;
	int power;
	void speedUp(int s) {
		speed=speed+s;
	}
	void speedDown(int d) {
		speed=speed-d;
	}
	void setPower(int p) {
		power=p;
	}
	int getPower() {
		return power;
	}
	double getSpeed() {
		return speed;
	}

}

package 机动车;

public class User {
	public static void main(String args[]) {
		Vehicle car1,car2;
		car1=new Vehicle();
		car2=new Vehicle();
		car1.setPower(128);
		car2.setPower(76);
		System.out.println("car1的功率是:"+car1.getPower());
		System.out.println("car2的功率是:"+car2.getPower());
		car1.speedUp(80);
		car2.speedUp(100);
		System.out.println("car1目前的速度:"+car1.getSpeed());
		System.out.println("car2目前的速度:"+car2.getSpeed());
		car1.speedDown(10);
		car2.speedDown(20);
		System.out.println("car1目前的速度:"+car1.getSpeed());
		System.out.println("car2目前的速度:"+car2.getSpeed());
	}

}