Overloading the method Program plan: Filename: “FormLetterWriter.java” Define the “FormLetterWriter” class Define the main method. Call the “displaySalutation” method with single parameter. Call the “displayLetter” method. Call the “displaySalutation” method with two parameters. Call the method “displayLetter”. Define the “displaySalutation” method Display the “Dear Mr. or Ms.” followed by last name. Define the “displaySalutation” method Display the first name followed by last name. Define the “displayLetter” method Display the statement.

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For your homework assignment, build a simple application for use by a local retail store. Your program should have the following classes: Item: Represents an item a customer might buy at the store. It should have two attributes: a String for the item description and a float for the price. This class should also override the __str__ method in a nicely formatted way. Customer: Represents a customer at the store. It should have three attributes: a String for the customer's name, a Boolean for the customer's preferred status, and a list of 5 indexes to hold Item objects. Include the following methods: make_purchase: accepts a String and a double as parameters to represent the name and price of an item this customer is purchasing. Create a new Item object with this info and append it to the internal list. If the customer is a preferred customer based on the Boolean attribute's value, take 10% off the total sale price. __str__: Override this method to print the customer's name and every…

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Chapter 4, Problem 1PE

Program Plan Intro

Overloading the method

Program plan:

Filename: “FormLetterWriter.java”

Define the “FormLetterWriter” class

Define the main method.

Call the “displaySalutation” method with single parameter.

Call the “displayLetter” method.

Call the “displaySalutation” method with two parameters.

Call the method “displayLetter”.

Define the “displaySalutation” method

Display the “Dear Mr. or Ms.” followed by last name.

Define the “displaySalutation” method

Display the first name followed by last name.

Define the “displayLetter” method

Display the statement.

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Create a class named Commission that includes three variables: a double sales figure, a double commission rate, and an int commission rate. Create two overloaded methods named computeCommission(). The first method takes two double parameters representing sales and rate, multiplies them, and then displays the results. The second method takes two parameters: a double sales figure and an integer commission rate. This method must divide the commission rate figure by 100.0 before multiplying by the sales figure and displaying the commission. Supply appropriate values for the variables, and write a main() method method. Save the file that tests each overloaded as Commission.java.