c# ==操作符和equals方法的使用区别

public class stu{
public int id;
public string name;
}
internal class Program
{
    private static void Main(string[] args)
    {
        Console.WriteLine("c#equals和==的区别");
        // int c = 1;s
        stu a = new stu() 
        { 
        id = 1,
         name = "pzx" 
         };
        stu b = new stu()
        {
            id = 1,
            name = "pzx"
        };
        if (a.Equals(b))
        {
            Console.WriteLine("a等于b");
        }
        else
        {
            Console.WriteLine("a不等于b");
        }
    }
}

 internal class stu
 {
     public int id;
     public string name;

     /// <summary>
     /// 重写equal方法
     /// </summary>
     /// <param name="stu"></param>
     /// <returns></returns>
     public override bool Equals(object? obj)
     {
         if (obj == null) return false;
         stu stu1 = (stu)obj;

         Type type = obj.GetType();
         var property = type.GetFields();
         foreach (var prop in property)
         {
             if (prop.GetValue(this).Equals(prop.GetValue(stu1)))
             {
                 return true;
             }
         }
         return false;
     }
 }