Exemple #1
0
  public static void main(String[] args) throws IOException {
    List<ShapeIter> list = new ArrayList<ShapeIter>();
    boolean flag = true;
    while (flag) {
      System.out.println("which shape you want to create?");
      System.out.println("1.Circle. 2.Rectangle. 3.Square. 4.Exit");
      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

      switch (Integer.parseInt(br.readLine())) {
        case 1:
          Circle circle = (Circle) ShapeFactory.getInstance().getShape(ShapeType.CIRCLE);
          System.out.println("Please input the radius :");
          circle.setRadius(Double.parseDouble(br.readLine()));
          list.add(circle);
          break;
        case 2:
          Rectangle rectangle =
              (Rectangle) ShapeFactory.getInstance().getShape(ShapeType.RECTANGLE);
          System.out.println("Please input the width :");
          rectangle.setWidth(Double.parseDouble(br.readLine()));
          System.out.println("Please input the length :");
          rectangle.setLength(Double.parseDouble(br.readLine()));
          list.add(rectangle);
          break;
        case 3:
          Square square = (Square) ShapeFactory.getInstance().getShape(ShapeType.SQUARE);
          System.out.println("Please input the side :");
          square.setSide(Double.parseDouble(br.readLine()));
          list.add(square);
          break;
        case 4:
          flag = false;
          br.close();
          break;
      }
    }

    System.out.println("Before sort");

    for (ShapeIter shape : list) {
      System.out.println(shape.calulateArea());
    }

    Collections.sort(list, new ShapeComparator());
    System.out.println("---------------------");

    System.out.println("After sort");
    for (ShapeIter shape : list) {
      System.out.println(shape.calulateArea());
    }
  }
Exemple #2
0
 @Override
 public void setLength(double side) {
   super.setLength(side);
   super.setWidth(side);
 }
Exemple #3
0
 public void setSide(double side) {
   super.setWidth(side);
   super.setLength(side);
 }