03_05.cs

1. using System;
3. namespace _03_05
4. {
5.     class Car
6.     {
7.         public string color;
8.         private float weight;
9.         private DateTime releasedate;
11.         public static int count;
12.         
13.         public Car()            // 无参数的构造函数
14.         {
15.             color = "Red";
16.             weight = 1.0F;
17.             releasedate = DateTime.Today;
18.         }
20.         public Car(string Color, float Weight)  // 有参数的构造函数
21.         {
22.             color = Color;
23.             weight = Weight;
24.             releasedate = DateTime.Today;
25.         }
27.         public void Run()
28.         {
29.             Console.WriteLine("我正在路上行驶……");
30.         }
32.         public void Run(string RoadName)
33.         {
34.             Console.WriteLine("我正在" + RoadName + "公路上行驶……");
35.         }
37.         public void Run(int Mileage)
38.         {
39.             Console.WriteLine("我已经行驶了" + Mileage + "公里……");
40.         }
41.     }
42.     
43.     class Class_03_05
44.     {
45.         public static void Main(String[] args)
46.         {
47.             Car car1 = new Car();
48.             Car car2 = new Car("Blue", 1.5F);
50.             Console.WriteLine("car1的颜色是" + car1.color);
51.             Console.WriteLine("car2的颜色是" + car2.color);
53.             car1.Run();
54.             car1.Run("51号");
55.             car1.Run(100);
56.         }
57.     }
58. }