Starting Out with Java: Early Objects, Student Value Edition (6th Edition)

6th Edition

ISBN: 9780134457918

Author: GADDIS, Tony

Publisher: PEARSON

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Textbook Question

Chapter 7, Problem 13PC

Sorted List of 1994 Gas Prices

Note: This assignment can be done either as an enhancement to the program that you wrote for Programming Challenge 12, or as a stand-alone program.

In the student sample programs for this book, you will find a text file named 1994_Weekly_Gas_Averages.txt. The file contains the average gas price for each week in the year 1994, (There are 52 lines in the file. Line 1 contains the average price for week 1, line 2 contains the average price for week 2, and so forth.) Write a program that reads the gas prices from the file, and calculates the average gas price for each month. (To get the average price for a given month, calculate the average of the average weekly prices for that month.) Then, the program should create another file that lists the names of the months, along with each month’s average gas price, sorted from lowest to highest.

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Chapter 7, Problem 12PC

Chapter 7, Problem 14PC

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Chapter 7 Solutions

Starting Out with Java: Early Objects, Student Value Edition (6th Edition)

Ch. 7.1 - Write statements that create the following arrays:...Ch. 7.1 - Whats wrong with the following array declarations?...Ch. 7.1 - Prob. 7.3CP Ch. 7.1 - Prob. 7.4CP Ch. 7.1 - Prob. 7.5CP Ch. 7.1 - Prob. 7.6CP Ch. 7.1 - Prob. 7.7CP Ch. 7.1 - Prob. 7.8CP Ch. 7.2 - Prob. 7.9CP Ch. 7.2 - Prob. 7.10CP

Ch. 7.2 - A program has the following declaration: double[]...Ch. 7.2 - Look at the following statements: final in...Ch. 7.3 - Look at the following method header: public static...Ch. 7.3 - Write a method named zero, which accepts an int...Ch. 7.6 - Prob. 7.15CP Ch. 7.7 - Recall that we discussed a Rectangle class in...Ch. 7.9 - What value in an array does the selection sort...Ch. 7.9 - How many times will the selection sort swap the...Ch. 7.9 - Prob. 7.19CP Ch. 7.9 - Prob. 7.20CP Ch. 7.9 - If a sequential search is performed on an array,...Ch. 7.11 - Prob. 7.22CP Ch. 7.13 - What import statement must you include in your...Ch. 7.13 - Write a statement that creates an ArrayList object...Ch. 7.13 - Write a statement that creates an ArrayList object...Ch. 7.13 - Prob. 7.26CP Ch. 7.13 - Prob. 7.27CP Ch. 7.13 - Prob. 7.28CP Ch. 7.13 - Prob. 7.29CP Ch. 7.13 - Prob. 7.30CP Ch. 7.13 - Prob. 7.31CP Ch. 7 - Prob. 1MC Ch. 7 - Prob. 2MC Ch. 7 - Prob. 3MC Ch. 7 - Prob. 4MC Ch. 7 - Array bounds checking happens. a. when the program...Ch. 7 - Prob. 6MC Ch. 7 - Prob. 7MC Ch. 7 - Prob. 8MC Ch. 7 - Prob. 9MC Ch. 7 - Prob. 10MC Ch. 7 - To store an item in an ArrayList object, use this...Ch. 7 - Prob. 12MC Ch. 7 - To delete an item from an ArrayList object, you...Ch. 7 - Prob. 14TF Ch. 7 - Prob. 15TF Ch. 7 - Prob. 16TF Ch. 7 - Prob. 17TF Ch. 7 - Prob. 18TF Ch. 7 - Prob. 19TF Ch. 7 - True or False: The Java compiler does not display...Ch. 7 - Prob. 21TF Ch. 7 - True or False: The first size declarator in the...Ch. 7 - Prob. 23TF Ch. 7 - Prob. 24TF Ch. 7 - int[] collection = new int[-20];Ch. 7 - Prob. 2FTE Ch. 7 - Prob. 3FTE Ch. 7 - Prob. 4FTE Ch. 7 - Prob. 5FTE Ch. 7 - Prob. 1AW Ch. 7 - Prob. 2AW Ch. 7 - Prob. 3AW Ch. 7 - In a program you need to store the populations of...Ch. 7 - In a program you need to store the identification...Ch. 7 - Prob. 6AW Ch. 7 - Prob. 7AW Ch. 7 - Prob. 8AW Ch. 7 - Prob. 9AW Ch. 7 - Prob. 10AW Ch. 7 - Prob. 11AW Ch. 7 - Prob. 1SA Ch. 7 - Prob. 2SA Ch. 7 - Prob. 3SA Ch. 7 - Prob. 4SA Ch. 7 - Prob. 5SA Ch. 7 - The following statement creates an InventoryItem...Ch. 7 - Prob. 7SA Ch. 7 - Prob. 8SA Ch. 7 - Rainfall Class Write a RainFall class that stores...Ch. 7 - Payroll Class Write a Payroll class that uses the...Ch. 7 - Charge Account Validation Create a class with a...Ch. 7 - Prob. 4PC Ch. 7 - Charge Account Modification Modify the charge...Ch. 7 - Drivers License Exam The local Drivers License...Ch. 7 - Magic 8 Ball Write a program that simulates a...Ch. 7 - Grade Book A teacher has five students who have...Ch. 7 - Grade Book Modification Modify the grade book...Ch. 7 - Average Steps Taken A Personal Fitness Tracker is...Ch. 7 - ArrayOperations Class Write a class name...Ch. 7 - 12.1994 Gas Prices In the student sample programs...Ch. 7 - Sorted List of 1994 Gas Prices Note: This...Ch. 7 - Name Search If you have downloaded this books...Ch. 7 - Population Data If you have downloaded this books...Ch. 7 - World Series Champions If you have downloaded this...Ch. 7 - Search Benchmarks Modify the sequentialSearch and...Ch. 7 - 2D Array Operations Write a program that creates a...Ch. 7 - Prob. 19PC Ch. 7 - Trivia Game In this programming challenge, you...Ch. 7 - Prob. 21PC

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