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Write a CashRegister class that can be used with a RetailItem class. The CashRegister class should simulate the sale of a retail item. It should have a constructor that accepts a RetailItem object as an argument. The constructor should also accept an integer that represents the quantity of items being purchased. In addition, the class should have the following methods:
*The getSubtotal method should return the subtotal of the sale, which is the quantity multiplied by the price. This method must get the price from the RetailItem object that was passed as an argument to the constructor.
*The getTax method should return the amount of sales tax on the purchase. The sales tax rate is 6 percent of a retail sale.*The getTotal method should reuturn the total of the sale, which is the subtotal plus the sales tax.Demonstrate the class in a program that asks the user for the quantity of items being purchased, and then displays the sale's subtotal, amount of sales tax, and total.---------------------------------------------------------The output should look like this:Item being purchased: AppleUnits on hand: 75Price: $0.25How many apples are you buying? 100Sorry, we only have 75 in stock.---------------------------------------------------Item being purchased: AppleUnits on hand: 75Price: $0.25How many apples are you buying? 15Subtotal: $3.75Sales Tax: $0.23Total: $3.98Units on hand: 60
Create a program that does runtime performance analysis of ArrayLists, TreeSets and HashSets.Add 100,000 random random integers ( 0 - 1,000,000 )Attempt to remove 10,000 random integers ( 0 - 1,000,000 )
Create a table that depicts the runtime for arrays of length 1 to 10. Would you expect the general runtime to be O(n), O(n2), O(n3), or some other function of n? Explain
Write a bash script larger X Y that compares the sizes of two specified files X and Y, and reports which file is larger. For example, if X is larger, the output should be "File X is larger", while if Y is larger, the output should be "File Y is la..
Write Java statements to create a collection of integers, and to initialize each element of the collection to -1. Then, using for each statement to print the value of each element.
A website that utilizes drag-and-drop or web sockets. Review the website source, and evaluate how the author created the pages
You have to create wheel, 360 degree. That is numbered 0-36. it is supposed to be spun, and randomly lands on one of the numbers.
Write a method for finding a journey from one station to another using an algorithm that is specified below in this handout.
part - 1build a graphical user interface for displaying the image groups cluster in jmjrst. design and implement using
Write a complete Java program that provides a method named isPalindrome, which takes aQueue of integers as a parameter and returns true if the numbers in the Queue represent a palindrome (and false otherwise). The empty Queue should be considered ..
question define a java class named accumulator. the class contains the following elementsa. an integer variable named
Compare and contrast the process of adding JavaScript and a Cascading Style Sheet to a Website. Determine if they can be used simultaneously in a page.
prepare a program that constructs a binary tree and traverses the tree in pre-order in-order and post-order methods.
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