56 lines
1.4 KiB
C#
56 lines
1.4 KiB
C#
using System;
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using Lesson06.Animals;
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using Lesson06.Devices;
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namespace Lesson06
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{
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class Program
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{
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static void Main(string[] args)
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{
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Console.WriteLine("=== 继承演示 ===\n");
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// 继承：Dog 继承了 Animal
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Dog dog = new Dog("旺财", "金毛");
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dog.Eat();
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dog.Speak();
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dog.Info();
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Console.WriteLine("\n=== 方法重写 ===\n");
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// 多态：Cat 和 Dog 重写了 Speak
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Animal cat = new Cat("小猫");
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Animal dog2 = new Dog("二狗", "哈士奇");
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cat.Speak();
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dog2.Speak();
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Console.WriteLine("\n=== 接口演示 ===\n");
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// 使用接口
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Microphone mic = new Microphone("USB麦克风");
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Camera cam = new Camera("RTSP摄像头");
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mic.Connect();
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mic.Disconnect();
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Console.WriteLine();
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cam.Connect();
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cam.Disconnect();
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Console.WriteLine("\n=== 接口多态 ===\n");
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// 接口类型可以指向任何实现它的类
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IDevice device1 = new Microphone("设备A");
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IDevice device2 = new Camera("设备B");
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device1.Connect();
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device2.Connect();
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Console.WriteLine("\n=== 完成 ===");
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Console.ReadLine();
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}
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}
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}
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