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Lelu [443]
3 years ago
8

You have been given the job of creating a new order processing system for the Yummy Fruit CompanyTM. The system reads pricing in

formation for the various delicious varieties of fruit stocked by YFC, and then processes invoices from customers, determining the total amount for each invoice based on the type and quantity of fruit for each line item in the invoice. The program input starts with the pricing information. Each fruit price (single quantity) is specified on a single line, with the fruit name followed by the price. You can assume that each fruit name is a single word consisting of alphabetic characters (A–Z and a–z). You can also assume that prices will have exactly two decimal places after the decimal point. Fruit names and prices are separated by a single space character. The list of fruit prices is terminated by a single line consisting of the text END_PRICES. After the fruit prices, there will be one or more invoices. Each invoice consists of a series of line items. A line item is a fruit name followed by an integer quantity, with the fruit name and quantity separated by a single space. You can assume that no line item will specify a fruit name that is not specified in the fruit prices. Each invoice is terminated by a line consisting of the text END_INVOICE. As a special case, if a line with the text QUIT appears instead of the beginning of an invoice, the program should exit immediately. The overall input will always be terminated by a QUIT line. (5 points)
Computers and Technology
1 answer:
Dmitriy789 [7]3 years ago
7 0

Answer:

Invoice.java

import java.util.*;

public class Invoice {

   static final String endPrices = "END_PRICES";

   static final String endInvoice = "END_INVOICE";

   static final String quit = "QUIT";

   public static void main(String... args) {

       Scanner sc = new Scanner(System.in);

<em>        //HashMap to store fruit name as key and price as value </em>

       Map<String, Float> fruits = new HashMap<>();

<em>        //Loop until input is not "END_PRICES" </em>

       while (true){

           String input = sc.next();

<em>            //Come out of loop if input is "END_PRICES" </em>

           if(input.equals(endPrices))

               break;

           float price = Float.parseFloat(sc.next());

<em>            //add fruit to hash map </em>

           fruits.put(input, price);

       }

<em>        //ArrayList to store total cost of each invoice </em>

       List<Float> totalList = new ArrayList<>();

       Float total = 0f;

<em>        //loop until input becomes "QUIT" </em>

       while (true){

           String input = sc.next();

<em>            //Break out of the loop if input is "QUIT" </em>

           if(input.equals(quit)){

               break;

           }

<em>            //Add total price of the invoice to array list and set total to "0f" to store total of next invoice </em>

           if(input.equals(endInvoice)){

               totalList.add(total);

               total = 0f;

               continue;

           }

           int quantity = sc.nextInt();

           total += (fruits.get(input)*quantity);

       }

<em>        //Iterate through all objects in the total Array List and print them </em>

       Iterator itr = totalList.iterator();

       while (itr.hasNext()){

           System.out.printf("Total: %.2f \n", itr.next());

       }

   }

}

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Question 1. (50 points) 1.Write a program that computes information related to a sequence of entries regarding age of customers.
schepotkina [342]

Answer:

The solution code is written in Python 3:

  1. count = 0
  2. totalAge = 0
  3. group1_count = 0    #age < 10
  4. group2_count = 0    #age 10 - 20
  5. group3_count = 0    #age 20 - 40
  6. group4_count = 0    #age > 40
  7. group1_total = 0    #subtotal age <= 10
  8. group2_total = 0    #subtotal age 11 - 20  
  9. group3_total = 0    #subtotal age 21 - 40  
  10. group4_total = 0    #subtotal age > 40
  11. age = int(input("Input an age: "))
  12. youngest = age
  13. oldest = age
  14. while(age != -1):
  15.    count += 1
  16.    totalAge += age
  17.    
  18.    if(age <= 10):
  19.        group1_count += 1
  20.        group1_total += age
  21.    elif(age <= 20):
  22.        group2_count += 1
  23.        group2_total += age
  24.    elif(age <= 40):
  25.        group3_count += 1
  26.        group3_total += age
  27.    else:
  28.        group4_count += 1
  29.        group4_total += age
  30.    if(youngest > age):
  31.        youngest = age  
  32.    
  33.    if(oldest < age):
  34.        oldest = age  
  35.    age = int(input("Input an age: "))
  36.    
  37. totalCustomer = count  
  38. avgAge = totalAge / count  
  39. rangeAge = oldest - youngest  
  40. avgAgeGroup1 = group1_total / group1_count  
  41. avgAgeGroup2 = group2_total / group2_count  
  42. avgAgeGroup3 = group3_total / group3_count  
  43. avgAgeGroup4 = group4_total / group4_count  
  44. print("The total number of customers: " + str(totalCustomer))
  45. print("Total number of customer in Group 1 (<=10): " + str(group1_count))
  46. print("Total number of customer in Group 2 (11 - 20): " + str(group2_count))
  47. print("Total number of customer in Group 3 (21 - 40): " + str(group3_count))
  48. print("Total number of customer in Group 4 (> 40): " + str(group4_count))
  49. print("Average age for all customer: " + str(avgAge))
  50. print("Youngest age: " + str(youngest))
  51. print("Oldest age: " + str(oldest))
  52. print("The range of age: " + str(rangeAge))
  53. print("Average age for group 1 (<=10): " + str(avgAgeGroup1))
  54. print("Average age for group 2 (11 - 20): " + str(avgAgeGroup2))
  55. print("Average age for group 3 (21 - 40): " + str(avgAgeGroup3))
  56. print("Average age for group 4 (> 40): " + str(avgAgeGroup4))

Explanation:

Firstly, create the counter variables (e.g. count, group1_count, group2_count etc ) to track the total number of customer and number in each age group. Besides, create variables to hold the value of total of age and sub-total of each age group (Line 1 - 10). We presume there are only four age groups.

Next, prompt user to input the first age (Line 12)

Create variable youngest and oldest to track the lowest and highest age (Line 13 -14). At the moment, set the first input age as value of youngest and oldest.

Create a while loop with sentinel value  -1 (Line 16). Within the loop, track the customer occurrence by incrementing counter variables by one (Line 17, 21, 24, 27 & 30). At the same time, add the current input age to totalAge and to group total (Line 18, 22, 25, 28, & 31).

If the current youngest value is bigger than the current input age, we set the current age to youngest (Line 33- 34).

If the current oldest value is smaller than the current input age, we set the current age to oldest (Line 36- 37).

After terminating the loop with -1, calculate the average age for all customers and for each age group and the range of age (Line 42- 48)  

At last, display all the required calculation results using print function (50 - 62)

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3 years ago
The capital letter Wis expressed as U+0057 in which system?
Paul [167]

The capital letter W is expressed as U+0057 in Unicode system

  • The Unicode system is known as a type of coding system which contains worldwide character encoding standard that gives a code to every character and symbol in every language spoken in the world today.

  • It is known as the encoding standard that is used in all languages, It makes sure that an individual can retrieve or combine data with the use of different languages altogether.

Conclusively, we can say that the The capital letter W is expressed as U+0057 in Unicode system

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brainly.com/question/24736173

6 0
2 years ago
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Mation about which osi layers of connected cisco devices can be verified with the show cdp neighbors comm
fgiga [73]
The show CDP neighbor command operates at the Data link layer (Layer 2)

Cisco Discovery Protocol (CDP) is a proprietary Data Link Layer protocol developed by Cisco Systems. It is used to share information about other directly connected Cisco equipment, such as the operating system version and IP address.

6 0
3 years ago
c++ 2.30 LAB: Phone number breakdown Given a long long integer representing a 10-digit phone number, output the area code, prefi
Nady [450]

Answer:

#include <iostream>

using namespace std;

int main()

{

   //declare variable to store phone numbers,its area code, prefix and line number.

   long phone_number;

   int area_code, prefix,line_number;

   cout<<"Enter 10-digit phone number:"<<endl;

   //input 10-digit phone number

   cin>>phone_number;

   //logic to find area_code, prefix, and line_number.

   area_code = phone_number/10000000;

   prefix = (phone_number/10000)%1000;

   line_number = phone_number%10000;

   //output phone number in asked format.

   cout<<area_code<<"-"<<prefix<<"-"<<line_number<<endl;

   return 0;

}

Output:

Enter 10-digit phone number:

8005551212

800-555-1212

Explanation:

In the above program 10 digit phone number entered by user will be stored in the variable phone_number.

Then using this phone_number variable area_code, prefix, and line number are calculated using the following logic:

area_code = phone_number/10000000;

prefix = (phone_number/10000)%1000;

line_number = phone_number%10000;

Finally these area_code, prefix, and line_number are displayed with hyphen in between using cout statement.

5 0
3 years ago
What are the four conditions to help determine whether a website is a good source for information?
Ratling [72]

Answer:

1. Credible Websites are Registered with Legitimate Institutions 2. Watch out for Dummy Content for Website Credibility Check 3. Watch out for Scam Advertisements to Verify Website Credibility 4. Professional Designs Mean Everything

Explanation:

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