static void Main(string[] args)
{
Shape[] shapes = new Shape[10];
Random rd = new Random();
for (int i = 0; i < 10; i++)
{
switch (rd.Next(3))
{
case 0:
shapes[i] = ShapeFactory.getShape("Ractangle", rd.Next(1, 10), rd.Next(1, 10)); break;
case 1:
shapes[i] = ShapeFactory.getShape("Square", rd.Next(1, 10)); break;
case 2:
double a, b, c;
do
{
a = rd.Next(1, 10); b = rd.Next(1, 10); c = rd.Next(1, 10);
} while (!(a + b > c && b + c > a && a + c > b));
shapes[i] = ShapeFactory.getShape("Triangle", a, b, c); break;
}
}
double area = 0;
foreach (Shape shape in shapes)
{
area = area + shape.getArea();
}
Console.WriteLine(area);
Console.ReadKey();
}
static void Main(string[] args)
{
Random random = new Random();
string[] shapeType = { "长方形", "正方形", "三角形" };
double ans = 0;
for (int i = 1; i <= 10; i++)
{
string shape = shapeType[random.Next(0, 3)];
Console.WriteLine(shape);
Shape wants = ShapeFactory.getShape(shape);
if (wants != null)
{
ans += wants.Area();
}
else
{
i--;
}
}
Console.WriteLine("这十个图形的面积和为" + ans.ToString());
Console.WriteLine("按任意键继续");
Console.ReadKey(true);
}