C#之继承源代码

最新推荐文章于 2022-06-19 19:09:26 发布

andylin02

最新推荐文章于 2022-06-19 19:09:26 发布

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文章标签： C C++ C#

本文通过具体的C#代码示例介绍了类的定义、继承和实例化过程。包括使用随机数初始化类成员变量的方法，并演示了如何从基类继承创建派生类。

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using System; using System.IO; public class CRunMain { public static void Main() { A a = new A(100); B b = new B(12); a.Print(); b.Print(); } } public class A { public const int MAXVAL = int.MaxValue; //常量，必须赋值 public readonly int AA = 0; //只读字段 public int x = 0; //实例字段 public int y = 0; public static int n = 0; public A(int a) { Random rand = new Random(); AA = a; x = rand.Next(); y = rand.Next(); n++; Console.WriteLine("construct of A has been called!"); } public void Print() { Console.WriteLine("x = {0}\t y = {0}", x, y); Console.WriteLine("total count of A: {0}", n); } } public class B:A { public int x = 0; public int y = 0; public B(int a):base(a) { Random rand = new Random(); x = rand.Next(); y = rand.Next(); Console.WriteLine("construct of A has been called!"); } public void Print() { Console.WriteLine("x = {0}\t y = {0}", x, y); } }