Question

C#题，高手进。

定义一个车辆（Vehicle)基类，具有Run Stop方法，具有Speed（速度），Weight(重量）域。然后以该类为基类，派生出car类。并编程对派生类的功能进行验证。

Answer 1

using System;

public class Vehicle
{
private int speed;
private int weight;
public Vehicle() { }
public Vehicle(int s, int w)
{
speed = s;
weight = w;
}
public void Run()
{
Console.WriteLine("this is in method run");
}
public void Stop()
{
Console.WriteLine("this is in method stop");
}
public int Speed
{
get
{
return speed;
}
set
{
speed = value;
}
}
public int Weight
{
get
{
return weight;
}
set
{
weight = value;
}
}
}
public class Car : Vehicle
{
public Car(int s, int w): base(s, w)
{
}
}
public class Mainclass
{
public static void Main()
{
Car c = new Car(50, 100);
Console.WriteLine(c.Speed);
Console.WriteLine(c.Weight);
Console.Read();
}
}

Answer 2

public class Vehicle
{
float Speed;
float Weight;
public Vehicle()
{
Speed=0;
Weight=0;
}
public void Output()
{
Console.WriteLine(Speed.toString()+" "+Weight.toString());
}
public Run(float a,float b)
{
Speed=a;
Weight=b;
}
public Stop()
{
Speed=0;
Weight=0;
}
}
public class car:Vehicle
{
static void main()
{
Vehicle veh=new Vehicle();
veh.Run(100,100);
veh.Output();
veh.Stop();
veh.Output();
Console.ReadLine();
}
}