Chapter 8, Problem 6PE

Program Plan Intro

Volume and surface area using “Geometry” class

Program plan:

Filename: “Geometry.java”

• Define the “Geometry” class
  • Define a method “sphereVolume()”.
    • Return the calculated value
  • Define a method “sphereSurface()”.
    • Return the value.
  • Define a method “cylinderVolume ()”.
    • Return the value.
  • Define a method “cylinderSurface()”.
    • Return the value.
  • Define a method “coneVolume()”.
    • Return the value.
  • Define a method “coneSurface()”.
    • Return the value.

Filename: “GeometryDemo.java”

• Define the “GeometryDemo” class
• Define the main method.
  • Create an object for “Scanner” class.
  • Prompt the user to enter the radius.
  • Scan for the value.
  • Prompt the user to enter the height.
  • Scan for the value.
  • Print the volume of Sphere.
  • Print the surface of Sphere.
  • Print the volume of Cylinder.
  • Print the surface of Cylinder.
  • Print the volume of Cone.
  • Print the surface of Cone.