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());
}
}
