新建 文本文档.txt

来自「编写一个Java程序」· 文本 代码 · 共 59 行

//TestTransport.java
//定义一个交通工具类和它的子类：飞机类和汽车类
class Transport
{
int pace;
int load;
public Transport()
{};
public Transport(int pace,int load)
{	this.pace=pace;
	this.load=load;
	}

}

class Vehicle extends Transport
{
int wheels;
int weight;
public Vehicle(int pace,int load,int wh,int we)
{
	super(pace,load);
	wheels=wh;
	weight=we;
	}
	void show()
	{
		System.out.println("速度："+pace+'\t'+"载重量:"+load+'\t'+"车轮数:"+wheels+'\t'+"车重"+weight);
		}
}

class Airplane extends Transport
{
String enginertype;
int enginers;
public Airplane(int pace,int load,String en,int eng)
{
	super(pace,load);
	enginertype=en;
	enginers=eng;
}
	void show()
	{
		System.out.println("速度:"+pace+'\t'+"载重量:"+load+'\t'+"机型"+enginertype+'\t'+"发动机数"+enginers);
		}
		
}
public class TestTransport1
{
	public static void main(String args[])
	{
		Vehicle car1=new Vehicle(100,4,4,1500);
		Airplane air1=new Airplane(750,40,"波音747",4);
		System.out.println("输出相关数据");
	  car1.show();
	  air1.show();
	}
}