Chapter 8, Problem 10PE

Program Plan Intro

Area and perimeter of the ellipse

Program plan:

Filename: “Geometry.java”

• Import the required packages.
• Define the “Geometry” class
  • Define a method “area()”.
    • Get the width.
    • Get the height.
    • Calculate the area and return the value
  • Define a method “perimeter()”.
    • Get the width.
    • Get the height.
    • Set the value for “EPSILON”.
    • Calculate “h”.
    • Declare the required variables.
    • Iterate a while loop.
      • Calculate the “sum”.
      • Increment the value of “n”.
      • Calculate the value of “coeff”.
      • Calculate the value of “term”.
        • Return the value of calculated perimeter.

Filename: “EllipseTester.java”

• Define the “EllipseTester” class
• Define the main method.
  • Create an object for “Ellipse2D” class.
  • Prompt the area of ellipse.
  • Prompt the expected area.
  • Prompt the perimeter of ellipse.
  • Prompt the expected perimeter.