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using System; namespace OperatorOvlApplication { class Box { private double length; // 长度 private double breadth; // 宽度 private double height; // 高度 public double getVolume() { return length * breadth * height; } public void setLength( double len ) { length = len; } public void setBreadth( double bre ) { breadth = bre; } public void setHeight( double hei ) { height = hei; } // 重载 + 运算符来把两个 Box 对象相加 public static Box operator+ (Box b, Box c) { Box box = new Box(); box.length = b.length + c.length; box.breadth = b.breadth + c.breadth; box.height = b.height + c.height; return box; } } class Tester { static void Main(string[] args) { Box Box1 = new Box(); // 声明 Box1,类型为 Box Box Box2 = new Box(); // 声明 Box2,类型为 Box Box Box3 = new Box(); // 声明 Box3,类型为 Box double volume = 0.0; // 体积 // Box1 详述 Box1.setLength(6.0); Box1.setBreadth(7.0); Box1.setHeight(5.0); // Box2 详述 Box2.setLength(12.0); Box2.setBreadth(13.0); Box2.setHeight(10.0); // Box1 的体积 volume = Box1.getVolume(); Console.WriteLine("Box1 的体积: {0}", volume); // Box2 的体积 volume = Box2.getVolume(); Console.WriteLine("Box2 的体积: {0}", volume); // 把两个对象相加 Box3 = Box1 + Box2; // Box3 的体积 volume = Box3.getVolume(); Console.WriteLine("Box3 的体积: {0}", volume); Console.ReadKey(); } } }
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