Chapter 5, Problem 8PE

Program Plan Intro

Automobile application

Program plan:

• In a file “Automobile.java”, create a class “Automobile”,
  • Declare the necessary variables.
  • Define the constructor,
    • Call the method “set_Id()”,
    • Call the method “set_Make()”,
    • Call the method “set_Model()”,
    • Call the method “set_Color()”,
    • Call the method “set_Year()”,
    • Call the method “set_Mpg()”,
  • Define the method “set_Id()”,
    • Initialize the final variable.
    • Check whether either the id is less than “0” or greater than maximum id,
      • If it is true, set the id to “0”.
        • Otherwise, set the initial id.
  • Define the method “set_Make()” to set the initial make value.
  • Define the method “set_Model()” to set the initial model value.
  • Define the method “set_Color()” to set the initial color value.
  • Define the method “set_Year(),
    • Initialize the minimum year and maximum year.
    • Check whether either the year is less than the minimum year or greater than the maximum year,
      • If it is true, set the year to “0”.
        • Otherwise, set the initial year.
  • Define the method “set_Mpg()”,
    • Initialize the minimum and maximum miles per gallon.
    • Check whether either the Miles Per Gallon(MPG) is less than the minimum mpg or greater than the maximum mpg,
      • If it is true, set the MPG to “0”.
        • Otherwise, set the mpg value.
  • Define the method “get_Id()” to return the id.
  • Define the method “get_Make()” to return the Make.
  • Define the method “get_Model()” to return the Model.
  • Define the method “get_Color()” to return the Color.
  • Define the method “get_Year()” to return the year.
  • Define the method “get_Mpg()” to return the MPG.
• In a file “TestAutomobiles.java”, create a class “TestAutomobiles”,
  • Define the method “main ()”,
    • Call the constructor “Automobile()” that instantiates several job automobile dealers.
    • Call the method “display1()” for first automobile dealer.
    • Call the method “display1()” for second automobile dealer.
    • Call the method “set_Id()” for first automobile dealer.
    • Call the method “display1()” for first automobile dealer.
    • Call the method “set_Id()” for first automobile dealer.
    • Call the method “display1()” for first automobile dealer.
    • Call the method “set_Make()” for first automobile dealer.
    • Call the method “set_Model()” for first automobile dealer.
    • Call the method “display1()” for first automobile dealer.
    • Call the method “set_Id()” for second automobile dealer.
    • Call the method “set_Color()” for second automobile dealer.
    • Call the method “set_Year()” for second automobile dealer.
    • Call the method “display1()” for second automobile dealer.
    • Call the method “set_Mpg()” for second automobile dealer.
    • Call the method “display1()” for second automobile dealer.
    • Call the method “set_Mpg()” for second automobile dealer.
    • Call the method “display1()” for second automobile dealer.
  • Define the method “display1()”,
    • Print the output.