◆函数名必须相同方能构成函数重载;
◆函数返回值类型:可以相同,也可以不同(注意:函数的返回类型不足以区分两个重载函数);
◆函数参数类型:必须不同;
◆函数参数个数:可以相同,可以不同
◆函数参数顺序:可以相同,可以不同;
[csharp]
view plain
copy
print
?
- using System;
-
- using System.Collections.Generic;
-
- using System.Linq;
-
- using System.Text;
-
-
-
- namespace ConsoleApplication
-
- {
-
- class Circle
-
- {
-
-
-
- private const float PI = 3.141526F;
-
-
-
- //1.没有任何已知条件
-
- public static double Area()
-
- {
-
- Console.WriteLine("空空如也!");
-
- return 0;
-
-
-
- }
-
- //2.已知圆心坐标
-
- public static double Area(int x1, int y1)
-
- {
-
- Console.WriteLine("这是一个圆点,坐标为({0},{1})",x1,y1);
-
- return 0;
-
- }
-
- //3.已知半径
-
- public static double Area(double r)
-
- {
-
- double theArea;
-
- theArea = PI * r * r;
-
- return theArea;
-
-
-
- }
-
- //4.已知圆心坐标和半径
-
- public static double Area(int x1, int y1, double r)
-
- {
-
- Console.WriteLine("这是一个圆点在({0},{1})半径为{2}的圆", x1, y1, r);
-
- return Area(r);
-
-
-
- }
-
- //5.已知圆心和圆周边上的一点
-
- public static double Area(int x1, int y1, int x2, int y2)
-
- {
-
- int x = x2 - x1;
-
- int y = y2 - y2;
-
- double r = (double)Math.Sqrt(x*x+y*y);
-
- Console.WriteLine("这是一个圆心在({0},{1}),圆周边一点在({2},{3})的圆,圆的半径为{4}",x1,y1,x2,y2,r);
-
- return Area(r);
-
-
-
- }
-
- static void Main(string[] args)
-
- {
-
- int x1=2,x2=4; //x坐标
-
- int y1=3,y2=5; //y坐标
-
- double radius=3; //半径
-
- double CircleArea = 0;
-
- CircleArea = Area();
-
- Console.WriteLine("-->1.面积为{0}",CircleArea);
-
- Console.WriteLine();
-
-
-
- CircleArea = Area(x1,y1);
-
- Console.WriteLine("-->2.面积为{0}", CircleArea);
-
- Console.WriteLine();
-
-
-
- CircleArea = Area(radius);
-
- Console.WriteLine("-->3.面积为{0}", CircleArea);
-
- Console.WriteLine();
-
-
-
- CircleArea = Area(x1, y1, radius);
-
- Console.WriteLine("-->4.面积为{0}", CircleArea);
-
- Console.WriteLine();
-
-
-
- CircleArea = Area(x1, y1, x2, y2);
-
- Console.WriteLine("-->5.面积为{0}", CircleArea);
-
- Console.WriteLine();
-
-
-
- Console.ReadKey();
-
-
-
- }
-
-
-
- }
-
- }
本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系:hwhale#tublm.com(使用前将#替换为@)