Chapter 12, Problem 9PP

Program Plan Intro

  To design a suburban scene

Program plan:

• In the file “Car.java”, import necessary package, and create a class “Car”,
  • Declare and initialize necessary variables.
  • Define the constructor to construct a car with a given top left corner.
  • Define a method “draw()” to draw the car.
• In the file “House.java”, create a class “House”,
  • Declare and initialize necessary variables.
  • Define the constructor to initiate the bottom left corner.
  • Define a method “draw()” to draw the house.
• In the file “StreetPanel.java”, import necessary packages, and create a class “StreetPanel”,
  • Declare and initialize necessary variables.
  • Define the constructor to construct a Street object.
  • Define a method “paintComponent()” to draw the graphic context.
  • Define a method “addCar” to add a car to the list.
  • Define a method “addHouse()” to add a house to the list.
• In the file “SuburbanSceneFrame.java”, import necessary package, and create a class “SuburbanSceneFrame”,
  • Declare and initialize necessary variables.
  • Define the constructor to construct a frame.
  • Define the method “createShapePanel()” to create the shapes' panel.
  • Define the method “createColorPanel()” to create the colors panel.
  • Define the method “createColorButton()” to create color buttons.
• In the file “SuburbanSceneEditor.java”, create a class “SuburbanSceneEditor”,
  • Define the method “main()”,
    • Create an object for “SuburbanSceneFrame”.
    • Set the frame operation.
    • Set the frame’s title.
    • Make the frame visible.

Explanation of Solution

UML diagram: