Chapter 7, Problem 17PP

Program Plan Intro

Oscillating spring

Program plan:

• In a file “OscillatingSpring.java”, import necessary package and create a class “OscillatingSpring”,
  • Define a method “draw()”,
    • Create object for “Graphics2D”.
    • Declare and initialize necessary variables.
    • Create a loop,
      • Create an inner loop,
        • Compute the value of “a”.
        • Update “v” value.
        • Update “x” value.
      • Create an object for “Line2D.Double”.
      • Call the method “draw()”.
• In a file “OscillatingSpringViewer.java”, import necessary packages and create a class “OscillatingSpringViewer”,
  • Define the method “main()”,
    • Create the object for “JFrame”.
    • Declare and initialize the frame width and height.
    • Set the frame size.
    • Set the operation on frame.
    • Create object for “JComponent”,
      • Define the method “paintComponent()”.
      • Construct an object for “OscillatingSpring”.
      • Call the method “draw()”.
    • Add the component to the frame.
    • Make the frame visible.