Question

code in python

I. Problem Statement

According to a recent TV commercial, Americans consumed so much bottled water last year that the bottles – if laid end-to-end – would circle the Earth 190 times at the Equator! One can only imagine how disruptive this would be for folks actually living at the Equator! Anyway, approximately how many bottles is that, and what is the average amount of water consumed by each American? Let’s write a program to find out! Better yet, let’s write a program that computes this information for any country.

Given this data

1. the name of the country
2. the population of the country
3. the number of times the bottles would circle the earth
4. the average length of a bottle, in inches
5. the average volume of a bottle, in fluid ounces

your program will compute

a. the total number of bottles used
b. the average amount of water consumed per person, in gallons

Your program will consist of a BottledWaterCalculator class and a “tester” class.


II. Your BottledWaterCalculator Class - Specifications

1. Your class will have private instance variables that store the data listed above (1 - 5)

2. All numeric instance variables are to be type double except for the population, which is an int

3. Instance variables are to be initialized to values passed to the class constructor

4. Your class will have accessor (“get”) methods to return the values of each of the instance variables

5. Your class will have 2 methods that compute and return the outputs (a and b) listed above

6. Your class will also have a mutator (“set”) method that changes the length and volume of the bottles to new values passed as parameters

 Note that your BottledWaterCalculator class doesn’t do any output. All output is to be done in your test class.


III. Your Test Class

In the main method of your test class, write statements to accomplish each of the following, in order

1. Create a BottledWaterCalculator object, using the data below
2. Call the accessor methods to get each of the data values and then print them
3. Call the 2 methods that compute and return the 2 outputs and print them
4. Call the mutator method to change the bottle data. Do not create a new object. Modify the existing one
5. Call the accessor methods to get the new average bottle length and volume, and print them
6. Call again the 2 methods that compute and return the 2 outputs and print them

 Although your BottledWaterCalculator must work for all valid input values, use this data in the run you hand in:

Country: USA
Population: 350 million
Number of Circumferences: 190
Length of an Average Bottle: 8.5 inches
Volume of an Average Bottle: 12 ounces

Modified Bottle Length: 10 inches
Modified Bottle Volume: 15 ounces


IV. For Reference

There are 128 ounces in a gallon, and the circumference of the Earth at the Equator is 24,902 miles. Since these values will not change, they should be literals (or defined constants, which will be covered soon) and not instance variables

Answer 1

Write a Bottle class. The class has these 14 methods: read0, set(int), set(Bottle), get0, and(Bottle), subtract(Bottle), multiply(Bottle), divide(Bottle), add(int), subtract(int), multiply(int), divide(int), equals(Bottle), and toString). The toString0 method will be given in class. All add, subtract, multiply, and divide methods return a Bottle. Your Bottle class must guarantee bottles always have a positive value and never exceed a maximum number chosen by you. These numbers are declared as constants of the class. Each method wit ha parameter must be examined to determine if the upper or lower bound could be violated. Consider each method carefully and test only the conditions that could be violated

The Code: import java.util.scann otle class // test driver for theBottle class public class BottleDemo3 public static void main(String[] args Scanner scan new Scanner (System .in); int x; Bottle bottle1new Bottle); Bottle bottle2new Bottle); Bottle bottle3 new Bottle); Bottle bottle4new Bottle Bottle bottle5new Bottle(); System.out.println ( please enter a number for bottle1:"); bottle1.read System.out.println("Bottle1 is th is value" bottle1+ ".");

The Code: System.out.println("Please enter a number for bottle2:; bottle2.read(); bottle3- bottle3.add(bottle1); bottle3 - bottle3.add(bottle2); bottle3 - bottle3.divide(2) System.out.println("The 2 bottle average is: " bottle3 + "."); System.out.print("Subtracting bot tle1 from bottle2 is:"); bottle3- bottle2.subtract(bottle System.out.println( bottle3); bottle3 - bottle2.divide(bottle1) System.out.println("Dividing bott le2 with bottle1 is: "bottle3 + "."); if (bottle1.equals(bottle2)) System.out.println( "Bottle1 a

The Code: nd bottle2 are equal.") else System.out.println("Bottle1 a nd bottle2 are not equal."); System.out.println("Bottle4 is no w given the value of 10 with the set() me thod. "); bottle4.set(10) System.out.println("The value of bottle4 is " bottle4 + "."); System.out.println("Bottle4 is no w multipled with bottle1. The value is p laced in"+ "bottle5."; bottle5 bottle1.multiply(bottle System.out.println("The value of

The Code: bottle5 is " bottle5 + "."); ger to add to the value bottle1 has."); be put in bottle3."); System.out.println("Enter an inte System.out.println("The sum will x scan.nextInt); bottle3 - bottle1.add(x); System.out.println("Adding your n umber " + x + le with"bottle3 " in it."; er" bottle2"which is the number"+ er in "); " to bottle1 gives a new Bott System.out.print("Adding the numb "in bottle2 to the\nnumb bottle2 - bottle1.add(bottle2); System.out.println("bottle1 which is " + bottle1 +" gives"bottle2 + ".