对象数组

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using nange;
namespace ConsoleApplication1
{
    class Program
    {
      public static void menu()
        {
            Console.WriteLine("第一个c#程序");
        }
    }
     class Program_1{
         string name;
         Program_1(string str)
         { name = str; 
           Console.WriteLine("构造函数执行成功"+name); 
         }
         void init()
         {
             int i = 0;
             Data[] data = new Data[3];
             for (i = 0; i < 3; i++)
                 data[i] = new Data();
             for (i = 0; i < 3; i++)
                 data[i].input();
             for (i = 0; i < 3; i++)
             {
                 Console.WriteLine("姓名" + data[i].name);
                 Console.WriteLine("年龄" + data[i].age);
             }
         }
        static void Main(string[] args)
         {
             Program.menu(); 
             Program_1 test = new Program_1("test");
             test.init();
             Console.ReadLine();
        }

    }
}
namespace nange
{
    class Data
    {
        public string name;  //这些必需要加public,否则会出错的
        public int age;
        public void input()
        {Console.WriteLine("输入姓名");
         name=Console.ReadLine();
         Console.WriteLine("输入年龄");
         age=Convert.ToInt32(Console.ReadLine());
        }
        
     
    }

}