Chapter 11, Problem 7PP

Program Plan Intro

Read the coins and display the total value

Program plan:

Filename: “Coin.java”

• Include the required header files in the program
• Define the “Coin” class
  • Declare the private variables
  • Define the default constructor
    • Set the values
  • Define the parameterized constructor
    • Set the value
  • Define the “getValue” method
    • Return the value
  • Define the “getName” method
    • Return the name
  • Define the “read” method
    • In the “try” block,
      • Get the integer and double values
      • Set the values
        • In the “catch” block, throw an exception message
  • Define the “readFile” method
    • Create an object for “ArrayList”
    • In the “try” block,
      • Declare the value and set the value
      • Check “done” is true or not
        • In the “try” block,
        • • Create an object of the “Coin” class
          • Call the methods
        • In the “catch” block, set the “done” as true.
        • • • Return the list.

Filename: “CoinReader.java”

• Include the required header files in the program
• Define the “CoinReader” class
  • Define the main method
    • Declare the variable with a value
    • Create an object for “Scanner” class
    • Set the value
    • Check “done” is true
      • Get the filename from the user
      • In the “try” block,
        • Call the “readFile” method and store the value in “list” variable.
        • Set the “done” as true
      • In the “catch” block, display an error message
    • Declare the variable with a default value
    • Iterate the values in the “Coin” class
      • Calculate the total
    • Display the total