static void Main(string[] args)
{
Console.WriteLine("Hello World!");
Console.WriteLine("Adding new Cirlce.");
Circle cirlce = new Circle(2.0);
Console.WriteLine("Cirlce's radius is 2.0! Calculating it's area.");
cirlce.GetArea();
Console.WriteLine("Circle's area is " + cirlce.Area);
Console.WriteLine("Adding new Triangle.");
double[] i = { 2, 1, 1 };
Triangle tri1 = new Triangle(i);
Console.WriteLine("Triangle's sides are 2, 1 and 1! Calculating it's area.");
tri1.GetArea("sides");
Console.WriteLine("Triangle's area is " + tri1.Area);
Console.WriteLine("Adding new Triangle.");
double[] о = { 3.5, 3, 1 };
Triangle tri3 = new Triangle(о);
Console.WriteLine("Triangle's sides are 3.5, 3 and 1! Calculating it's area.");
tri3.GetArea("sides");
Console.WriteLine("Triangle's area is " + tri3.Area);
Console.WriteLine("Adding new Triangle.");
double[] k = { 2, 3, 1 };
Triangle tri2 = new Triangle(k);
Console.WriteLine("Triangle's sides are 3, 2 and 1! Checking wheter it right-angled.");
if (tri2.IsRightAngled())
{
Console.WriteLine("Sure it is!");
}
else
{
Console.WriteLine("I guess it's not.");
}
Console.WriteLine("Adding new Triangle.");
double[] t = { 2, 2.236, 1 };
Triangle tri4 = new Triangle(t);
Console.WriteLine("Triangle's sides are 2.24, 2 and 1! Checking wheter it right-angled.");
if (tri4.IsRightAngled())
{
Console.WriteLine("Sure it is!");
}
else
{
Console.WriteLine("I guess it's not.");
}
Console.WriteLine("Press any key...");
Console.ReadKey();
}
public static void Main(string[] args)
{
Triangle triangle = new Triangle();
Console.WriteLine("请输入三角形的三边长:");
String str1 = Console.ReadLine();
String str2 = Console.ReadLine();
String str3 = Console.ReadLine();
double a = Convert.ToDouble(str1);
double b = Convert.ToDouble(str2);
double c = Convert.ToDouble(str3);
triangle.GetArea(a, b, c);
Circle circle = new Circle();
Console.WriteLine("请输入圆的半径：");
String str4 = Console.ReadLine();
double radius = Convert.ToDouble(str4);
circle.GetArea(radius);
Square square = new Square();
Console.WriteLine("请输入正方形的边长：");
String str5 = Console.ReadLine();
double length = Convert.ToDouble(str5);
square.GetArea(length);
Rectangle rectangle = new Rectangle();
Console.WriteLine("请输入长方形的长和宽：");
String str6 = Console.ReadLine();
String str7 = Console.ReadLine();
double width = Convert.ToDouble(str6);
double height = Convert.ToDouble(str7);
rectangle.GetArea(width, height);
Console.ReadKey();
}