Chapter 14, Problem 14.18PE

Program Plan Intro

Plot the square function

Program Plan:

• Import required packages.
• Declare a main class named “E18” which extends the “Application” class.
  • Declare a “start ()” method which overrides the “start ()” method in the “Application” class. Inside this method,
    • Create a polyline.
    • Create a polyline list to add the points.
    • Loop from -100 through 100
      • Add the points to the list.
    • Create two lines.
    • Draw four lines to make an arrow.
    • Create two texts to make a label.
    • Create a group and add the polyline, lines and texts to it.
    • Create a scene and place it on the stage.
    • Set the title as “Exercise14_18”.
    • Display the stage on the window using “primaryStage.show()” method.
  • Declare a main method using “public static main”.
    • Launch the method using “launch ()” method.