rectangle2.cpp

Think in C++ 第二版源码

//: C09:Rectangle2.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Accessors & mutators with "get" and "set"

class Rectangle {
  int width, height;
public:
  Rectangle(int w = 0, int h = 0)
    : width(w), height(h) {}
  int getWidth() const { return width; }
  void setWidth(int w) { width = w; }
  int getHeight() const { return height; }
  void setHeight(int h) { height = h; }
};

int main() {
  Rectangle r(19, 47);
  // Change width & height:
  r.setHeight(2 * r.getWidth());
  r.setWidth(2 * r.getHeight());
} ///:~