Chapter 24, Problem 2PE

Program Plan Intro

To print an XML file of the given form

Program plan:

• In the file “Coin.java”, create a class “Coin”,
  • Declare necessary variables.
  • Define the constructor.
  • Define the method “getValue()” that gets the coin value.
  • Define the method “getName()” that gets the coin name.
  • Define the method “equals()” that checks for equal object.
  • Define the method that to get the hash code.
• In the file “Purse.java”, create a class “Purse”,
  • Declare necessary variables.
  • Define the constructor.
  • Define the method “add()” that adds a coin to the purse.
  • Define the method “getTotal()” that gets the total value of the coins in the purse .
  • Define the method “getCoins()” that returns the coins list.
• In the file “PurseBuilder.java”, create a class “PurseBuilder”,
  • Declare necessary instance variables.
  • Define the constructor.
  • Define the method “build()” that builds DOM document for a purse.
  • Define the method “createPurse()” that builds DOM element for a purse.
  • Define the method “createCoin()” that builds DOM element for a coin.
• In the file “PurseParser.java”, import necessary packages, and create a class “PurseParser”,
  • Declare necessary instance variables.
  • Define the constructor that construct a parser that can parse a countries XML file.
  • Define the method “parse()” that parse an XML file containing a purse.
• In the file “PurseXMLDemo.java”, import necessary packages, and create a class “PurseXMLDemo”,
  • Define the method “main()”,
    • Create an object for “PurseParser”.
    • Get the command-line input in “Purse” object.
    • Create an object for “PurseBuilder”.
    • Call the method “build()” to build DOM document.
    • Call the required methods.
    • Print the output.
• Create corresponding XML file.