import std.stdio;
// Base class
interface Shape {
public:
void setWidth(int w);
void setHeight(int h);
static void myfunction1() {
writeln("This is a static method");
}
final void myfunction2() {
writeln("This is a final method");
}
}
// Derived class
class Rectangle: Shape {
int width;
int height;
public:
void setWidth(int w) {
width = w;
}
void setHeight(int h) {
height = h;
}
int getArea() {
return (width * height);
}
}
void main() {
Rectangle rect = new Rectangle();
rect.setWidth(5);
rect.setHeight(7);
// Print the area of the object.
writeln("Total area: ", rect.getArea());
rect.myfunction1();
rect.myfunction2();
}
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/tech/pnotes/266069.html