// 重载 + operator 来增加两个 Box 对象
public static OperateReload operator +(OperateReload b, OperateReload c)
{
OperateReload box = new OperateReload();
box.length = b.length + c.length;
box.breadth = b.breadth + c.breadth;
box.height = b.height + c.height;
return(box);
}
public void Run()
{
if (flag)
{
Console.WriteLine("--------------Function overloading--------------");
PrintInfo PL = new PrintInfo();
PL.Print(1001);
PL.Print(12.13);
PL.Print("string type");
Console.WriteLine("--------------Operator overloading--------------");
OperateReload Box1 = new OperateReload(); // 声明 box1 为 box 类型
OperateReload Box2 = new OperateReload(); // 声明 box2 为 box 类型
OperateReload Box3 = new OperateReload(); // 声明 box3 为 box 类型
double volume = 0.0; // 在这里存放 box 的体积
// box 1
Box1.setLength(6.0);
Box1.setBreadth(7.0);
Box1.setHeight(5.0);
// box 2
Box2.setLength(12.0);
Box2.setBreadth(13.0);
Box2.setHeight(10.0);
// box 1 体积
Console.WriteLine("Volume of Box1 : {0}", Box1.getVolume());
// box 2 体积
volume = Box2.getVolume();
Console.WriteLine("Volume of Box2 : {0}", volume);
// 将两个对象相加如下：
Box3 = Box1 + Box2;
// box 3 的体积
volume = Box3.getVolume();
Console.WriteLine("Volume of Box3 : {0}", volume);
Console.WriteLine("--------------Abstract classes--------------");
Abstract Abs = new Abstract(10, 5);
Console.WriteLine(Abs.area());
Console.WriteLine("--------------virtual functions--------------");
Caller c = new Caller();
Rectangle r = new Rectangle(10, 7);
Triangle t = new Triangle(10, 5);
c.CallArea(r);
c.CallArea(t);
Console.ReadKey();
}
}
