Chapter 2, Problem 4PE

a.

Program Plan Intro

Quarts To Gallons

Program Plan:

Define the class “QuartsToGallons”.

• Define the main method.
  • Declare a named constant variable to hold the number of quarts in a gallon.
  • Declare and initialize a variable to represent the number of quarts needed for a painting job.
  • Compute number of gallons needed for painting job by dividing number of quarts needed and number of quarts in a gallon.
  • Compute extra number of quarts needed.
  • Display number of quarts and gallons needed for the painting job.

b.

Program Plan Intro

Quarts To Gallons Interactive

Program Plan:

Import the required java package.

Define the class “QuartsToGallonsInteractive”.

• Define the main method.
  • Declare a named constant variable to hold the number of quarts in a gallon.
  • Declare and initialize a variable to represent the number of quarts needed for a painting job.
  • Create a scanner class object to get user input.
  • Prompt the user to enter number of quarts needed.
  • Store the user input in a variable.
  • Compute number of gallons needed for painting job by dividing number of quarts needed and number of quarts in a gallon.
  • Compute extra number of quarts needed.
  • Display number of quarts and gallons needed for the painting job.