重载

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace kk5
{
  public   class SS
    {
      public SS(int sheng) 
      {
          this.Sheng = sheng;
          Console.WriteLine("生命值"+ sheng);
      }
      public SS(int jj,int zhan,int zhi)
      {
          this.Zhan = zhan;
          this.Zhi = Zhi;
          this.Jj = jj;
          Console.WriteLine("级别" + jj);
      }

      public int Sheng { get; set; }
      public int Jj { get; set; }
      public int  Zhan { get; set; }
      public int  Zhi { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace kk5
{
    class Program
    {
        static void Main(string[] args)
        {
            SS s = new SS(1000);
            SS ss = new SS(100,111,999);
        }
        
    }
}