C#中构造方法重载

蔚落 2022-04-25 10:22 334阅读 0赞

### Child.cs ###

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    
    namespace LeiheDuixiang
    {
        /// <summary>
        /// 小朋友
        /// </summary>
        class Child
        {
            //隐藏信息，private不能在类外进行访问
          private  string name; //字段
          private string sex = "男";
          private int age;
          private int height;
    
            /// <summary>
           /// 完成字段的对外访问接口
           /// 属性，属性的名字首字母应该大写
           /// </summary>
          public string Name 
          {
              get { return name; }//读访问器，返回字段的值
              set { name = value; } //写访问器，给字段赋值
          }
    
          public string Sex
          {
              get { return sex; }
          }
    
          public int Age
          {
              get { return age; }
              set{ age = value; }
          }
    
          public int Height
          {
              get { return height; }
              set { height = value; }
          }
            
          public Child()
          {
             
          }
    
          public Child(string name, string sex, int age) //形参
          {
              Name = name;
              Age = age;
             this.sex = sex;  //this 当前对象，可以访问当前对象的对象，属性，方法
          }
    
          public Child(string name, int age) //形参
          {
              Name = name;
              Age = age;
              
          }
        }
    }

### Program.cs ###

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    
    namespace LeiheDuixiang
    {
        class Program
        {
            static void Main(string[] args)
            {
                Child child = new Child("张小凡","女",20); //调用构造方法
    
                Console.WriteLine("我的名字是{0}", child.Name);
                Console.WriteLine("我的性别是{0}", child.Sex);
                Console.WriteLine("我的年龄是{0}岁", child.Age);
    
                Child child1 = new Child("小美",6);
                Console.WriteLine("我的名字是{0}", child1.Name);
                Console.WriteLine("我的年龄是{0}岁", child1.Age);
            }
        }
    }

![20190531141307688.png][]

[20190531141307688.png]: /images/20220125/61c0e9b487754c62918ee184fa614787.png