Chapter 10, Problem 19PE

Program Plan Intro

Reimplement the program in Section 10.3.2

Program plan:

RectangleFrame.java:

• Import required packages
• Create a class named “RectangleFrame”. Inside the class,
  • Declare the required variables.
  • Definition of constructor “RectangleFrame()”.
    • Create an object for “RectangleComponent”.
    • Add the object to the frame.
    • Set the size of the frame.
    • Using lambda expression to define “ActionListenrer” object.
      • Call the method “moveRectablgeBy()”.
    • Assign the value to the delay.
    • Create an object for Timer.
    • Start the timer.

RectangleComponent.java

• Import required packages
• Create a class named “RectangleComponent”. Inside the class,
  • Declare the required variables.
  • Definition of “main()” method.
  • Create an object for “RectangleComponent()”.
    • Create an object for Rectangle.
  • Definition of method “paintComponent”.
    • Create an object for “Graphics2D”.
    • Call the method “Draw()”.
  • Definition of method “moveRectangleBy()”.
    • Set the dimensions to the box.
    • Call the “repaint()”

RectangleViewer.java:

• Import required packages
• Create a class named “RectangleViewer”. Inside the class,
  • Definition of “main()” method.
  • Create on object for “RectangleFrame()”.
  • Set the title to the frame.
  • Close the frame.
  • Set the visibility of the frame.