C_Sharp面向对象基础.doc

C#面向对象基础1.面向对象简介using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace C_Sharp面向对象基础 class Program static void Main(string args) Person p1 = new Person(); /p1.Name=tom; p1.Height = 180; p1.Age = 30; p1.SayHello(); Person2 p2 = new Person2(); p2.Age = 20; p2.GiveName(tom); p2.SayHello(); Person3 p3=new Person3(); p3.Age=30; /Console.WriteLine(年龄是0,p3.age); p3.Age=-1; Console.WriteLine(年龄是0,p3.Age); p3.Age1=-100; Console.WriteLine(年龄是0,p3.Age1); Person4 p4 = new Person4(); p4.Age = 30; p4.Age = p4.Age + 1; Console.WriteLine(p4.Age); /Person5 p5 = new Person5(); /p5.Age = 30; /Console.WriteLine(p5.Age); Person6 p6 = new Person6(); p6.IncAge(); p6.IncAge(); /p6.Age = 30; Console.WriteLine(年龄0,p6.Age); Person7 p7 = new Person7(); p7.Age = 30; Console.WriteLine(p7.Age); Console.ReadKey(); class Person public int Height; public int Age; private string Name; public void SayHello() Console.WriteLine(大家好，我叫0,我的身高是1，我的年龄是2,this.Name,this.Height,this.Age); class Person2 public int Height; public int Age; private string Name; public void GiveName(string name) if (name = jerry) return; this.Name=name; public void SayHello() 睁眼(); Console.WriteLine(大家好，我叫0,我的身高是1，我的年龄是2, this.Name, this.Height, this.Age); private void 睁眼() Console.WriteLine(睁开双眼); class Person3 private int age; public int Age1; public int Age set /赋值 if(value 100) return; FullLevel = FullLevel + foodCount; public void Speak(string str) if (FullLevel = 0 & age 3 & age 19 & age 150) return 大人; else if (age 解析-using System.Collections Console.ReadKey(); class Person Person.csusing System;using System.Collections.Generic;using System.Linq;using System.Text;namespace 命名空间.hr class Person Dog.csusing System;using System.Collections.Generic;using System.Linq;using System.Text;namespace 命名空间.hr class Dog Mouse.csusing System;using System.Collections.Generic;using System.Linq;using System.Text;namespace 命名空间.oa class Mouse 9.索引器using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace 索引 class Program static void Main(string args) int values = 3,5,9,8; int i=values1; Person p1 = new Person(); p11 = 小明; Console.WriteLine(p11+p12); string s = ; /s0=aa; /因为s是string类型，是一个只读的索引器 Console.WriteLine(p1tom,3,9); /p1tom, 3, 9 = aaa; /报错，因为p1只读 Console.ReadKey(); class Person private string FirstName=大毛; private string SecondName=二毛; public string thisstring name, int x, int y/索引的参数可以多个 get return name + x + y; public string thisint index /索引器 set if (index = 1) FirstName = value; else if (index = 2) SecondName = value; else th