Starting Out with Java: From Control Structures through Data Structures (3rd Edition)

3rd Edition

ISBN: 9780134038179

Author: Tony Gaddis, Godfrey Muganda

Publisher: PEARSON

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Textbook Question

Chapter 9, Problem 11PC

Sales Analysis

The file SalesData.txt, in this chapter’s source code folder, contains the dollar amount of sales that a retail store made each day for a number of weeks. Each line in the file contains seven numbers, which are the sales numbers for one week. The numbers are separated by a comma. The following line is an example from the file:

2541.36, 2965.88, 1965.32, 1845.23, 7021.11, 9652.74, 1469.36

Write a program that opens the file and processes its contents. The program should display the following:

The total sales for each week
The average daily sales for each week
The total sales for all of the weeks
The average weekly sales
The week number that had the highest amount of sales
The week number that had the lowest amount of sales

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Chapter 9, Problem 10PC

Chapter 9, Problem 12PC

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Chapter 9 Solutions

Starting Out with Java: From Control Structures through Data Structures (3rd Edition)

Ch. 9.2 - Prob. 9.1CP Ch. 9.2 - Write an if statement that displays the word digit...Ch. 9.2 - Prob. 9.3CP Ch. 9.2 - Write a loop that asks the user, Do you want to...Ch. 9.2 - Prob. 9.5CP Ch. 9.2 - Write a loop that counts the number of uppercase...Ch. 9.3 - Prob. 9.7CP Ch. 9.3 - Modify the method you wrote for Checkpoint 9.7 so...Ch. 9.3 - Look at the following declaration: String cafeName...Ch. 9.3 - Prob. 9.10CP

Ch. 9.3 - Prob. 9.11CP Ch. 9.3 - Prob. 9.12CP Ch. 9.3 - Prob. 9.13CP Ch. 9.3 - Look at the following code: String str1 = To be,...Ch. 9.3 - Prob. 9.15CP Ch. 9.3 - Assume that a program has the following...Ch. 9.4 - Prob. 9.17CP Ch. 9.4 - Prob. 9.18CP Ch. 9.4 - Prob. 9.19CP Ch. 9.4 - Prob. 9.20CP Ch. 9.4 - Prob. 9.21CP Ch. 9.4 - Prob. 9.22CP Ch. 9.4 - Prob. 9.23CP Ch. 9.4 - Prob. 9.24CP Ch. 9.5 - Prob. 9.25CP Ch. 9.5 - Prob. 9.26CP Ch. 9.5 - Look at the following string:...Ch. 9.5 - Prob. 9.28CP Ch. 9.6 - Write a statement that converts the following...Ch. 9.6 - Prob. 9.30CP Ch. 9.6 - Prob. 9.31CP Ch. 9 - The isDigit, isLetter, and isLetterOrDigit methods...Ch. 9 - Prob. 2MC Ch. 9 - The startsWith, endsWith, and regionMatches...Ch. 9 - The indexOf and lastIndexOf methods are members of...Ch. 9 - Prob. 5MC Ch. 9 - Prob. 6MC Ch. 9 - Prob. 7MC Ch. 9 - Prob. 8MC Ch. 9 - Prob. 9MC Ch. 9 - Prob. 10MC Ch. 9 - To delete a specific character in a StringBuilder...Ch. 9 - Prob. 12MC Ch. 9 - Prob. 13MC Ch. 9 - These static final variables are members of the...Ch. 9 - Prob. 15TF Ch. 9 - Prob. 16TF Ch. 9 - True or False: If toLowerCase methods argument is...Ch. 9 - True or False: The startsWith and endsWith methods...Ch. 9 - True or False: There are two versions of the...Ch. 9 - Prob. 20TF Ch. 9 - Prob. 21TF Ch. 9 - Prob. 22TF Ch. 9 - Prob. 23TF Ch. 9 - int number = 99; String str; // Convert number to...Ch. 9 - Prob. 2FTE Ch. 9 - Prob. 3FTE Ch. 9 - Prob. 4FTE Ch. 9 - The following if statement determines whether...Ch. 9 - Write a loop that counts the number of space...Ch. 9 - Prob. 3AW Ch. 9 - Prob. 4AW Ch. 9 - Prob. 5AW Ch. 9 - Modify the method you wrote for Algorithm...Ch. 9 - Prob. 7AW Ch. 9 - Look at the following string:...Ch. 9 - Assume that d is a double variable. Write an if...Ch. 9 - Write code that displays the contents of the int...Ch. 9 - Prob. 1SA Ch. 9 - Prob. 2SA Ch. 9 - Prob. 3SA Ch. 9 - How can you determine the minimum and maximum...Ch. 9 - Prob. 1PC Ch. 9 - Prob. 2PC Ch. 9 - Prob. 3PC Ch. 9 - Prob. 4PC Ch. 9 - Prob. 5PC Ch. 9 - Prob. 6PC Ch. 9 - Check Writer Write a program that displays a...Ch. 9 - Prob. 8PC Ch. 9 - Prob. 9PC Ch. 9 - Word Counter Write a program that asks the user...Ch. 9 - Sales Analysis The file SalesData.txt, in this...Ch. 9 - Prob. 12PC Ch. 9 - Alphabetic Telephone Number Translator Many...Ch. 9 - Word Separator Write a program that accepts as...Ch. 9 - Pig Latin Write a program that reads a sentence as...Ch. 9 - Prob. 16PC Ch. 9 - Lottery Statistics To play the PowerBall lottery,...Ch. 9 - Gas Prices In the student sample program files for...

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