【C#】上机实验五

1、设计一个控制台应用程序，定义一个MyPoint类，该类能表示二维平面空间的点，完成点类及运算符重载等相关功能。具体要求如下：
（1）MyPoint类中定义2个私有字段x和y及相应的构造函数。
（2）MyPoint类中重载ToString方法输出坐标x和y的值。
（3）MyPoint类中重载一元运算符“-”。
（4）MyPoint类中重载二元运算符“+”和“-”。
（5）MyPoint类中重载二元运算符“>”和“<”。
（6）MyPoint类中重载二元运算符“==”和“！=”。
（7）在Main方法中测试上述运算符。

 

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using System.Threading.Tasks;
  6 
  7 namespace Myproject
  8 {
  9     class Program
 10     {
 11         static void Main(string[] args)
 12         {
 13             Mypoint a = new Mypoint(1, 1);
 14             Mypoint b = new Mypoint(1, 1);
 15             Mypoint c = new Mypoint(2, 2);
 16             Console.WriteLine( "Check: a+b " + (a + b) );
 17             Console.WriteLine( "Check: a-b " + (a - b) );
 18 
 19             Console.WriteLine( "Check: < , > , != , == " );
 20             if (a < c) Console.WriteLine("a < c ");
 21             if( c > a) Console.WriteLine("c > a" );
 22 
 23             if( a + b != a)
 24             {
 25                 Console.WriteLine("a + b != a");
 26             }
 27 
 28             if ( a + b == c)
 29             {
 30                 Console.WriteLine("a + b == c");
 31             }
 32         }
 33     }
 34     public class Mypoint
 35     {
 36         int x, y;
 37 
 38         public Mypoint(int x, int y)
 39         {
 40             this.x = x;
 41             this.y = y;
 42         }
 43         public Mypoint() : this(0, 0) { }
 44         public int X { get { return x; }  set { x = value; } }
 45         public int Y { get { return y; }  set { y = value; } }
 46         public override string ToString()
 47         {
 48             return string.Format("({0},{1})", x, y);
 49         }
 50 
 51         public static Mypoint operator - (Mypoint u)
 52         {
 53             Mypoint p = new Mypoint();
 54             p.X = -u.X;
 55             p.Y = -u.Y;
 56             return p;
 57         }
 58 
 59         public static Mypoint operator + (Mypoint u, Mypoint v)
 60         {
 61             Mypoint p = new Mypoint();
 62             p.X = u.X + v.X;
 63             p.Y = u.Y + v.Y;
 64             return p;
 65         }
 66 
 67         public static Mypoint operator -(Mypoint u, Mypoint v)
 68         {
 69             Mypoint p = new Mypoint();
 70             p.X = u.X - v.X;
 71             p.Y = u.Y - v.Y;
 72             return p;
 73         }
 74 
 75         public static bool operator >(Mypoint u, Mypoint v)
 76         {
 77             bool status = false ;
 78             if( u.X >= v.X && u.Y >= v.Y)
 79             {
 80                 status = true;
 81             }
 82             return status;
 83         }
 84 
 85         public static bool operator <(Mypoint u, Mypoint v)
 86         {
 87             bool status = false;
 88             if (u.X <= v.X && u.Y <= v.Y)
 89             {
 90                 status = true;
 91             }
 92             return status;
 93         }
 94 
 95         public static bool operator ==(Mypoint u, Mypoint v)
 96         {
 97             bool status = false;
 98             if (u.X == v.X && u.Y == v.Y)
 99             {
100                 status = true;
101             }
102             return status;
103         }
104 
105         public static bool operator !=(Mypoint u, Mypoint v)
106         {
107             bool status = false;
108             if (u.X != v.X || u.Y != v.Y)
109             {
110                 status = true;
111             }
112             return status;
113         }
114 
115     }
116     
117 }

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