数据结构与算法(C#实现)系列---树(三)

         //overwrite Object.Equals() ---  reference  type   realization
         public override bool Equals(object _obj)
         {
              if( _obj==null )
                   return false;//因为this不可能为null
              if( ! (this.GetType()==_obj.GetType()) )
                   return false;//类型不相等也不相等
              Tree tmpObj=(Tree)_obj;
              //比较引用成员
              if( !Object.Equals(this.Key,tmpObj.Key) )
                   return false;
              //比较值类型成员
              if( !this.Degree.Equals(tmpObj.Degree) )
                   return false;
              //if( !this.Height.Equals(tmpObj.Height) )
                   //return false;
              return true;
         }
         //在此重载 ==,!= 后， 在以后继承的类中不必实现了
         public static bool operator==(Tree _treeA,Tree _treeB)
         {
              return Object.Equals(_treeA,_treeB);

         }
         public static bool operator!=(Tree _treeA,Tree _treeB)
         {
              return !(_treeA==_treeB);
         }
           IComparable 成员#region IComparable 成员
         public virtual int CompareTo(object obj)
      {
              // TODO:  添加 Tree.CompareTo 实现

              return 0;
         }
         #endregion
     }

}

 转自：www.sinory.com