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Ivahew [28]
2 years ago
11

(Java)Write a program that calculates and displays the conversion of an entered number of dollars into currency denominations—20

s, 10s, 5s, and 1s. Example output: $452 converted is 22 $20s, 1 $10s, 0 $5s, and 2 $1s.​
Computers and Technology
1 answer:
Nataly [62]2 years ago
8 0

Answer:

Below!

Explanation:

This is the code I have. I am not sure what I am missing that it won't accept -  

import java.util.Scanner;

class Dollars {

   public static void main(String[] args) {

            int numTwenties,numTens,numFives,numOnes,dollarAmount;  

       Scanner sc= new Scanner(System.in);

       System.out.println("Please enter a dollar amount: ");  

       dollarAmount = sc.nextInt();

        numTwenties = dollarAmount/20;

        numTens = (dollarAmount - 20*numTwenties)/10;

        numFives = (dollarAmount - (10*numTens + 20*numTwenties))/5;

        numOnes = (dollarAmount - (10*numTens + 20*numTwenties + 5*numFives));

       System.out.println(+ dollarAmount + " converted is" + numTwenties + " $20s, " + numTens + " $10s, " + numFives + " $5s, and " + numOnes + " $1s.");  

   }

}

This is what it is giving me -

Test CaseIncomplete

Dollars 598

Input598

OutputPlease enter a dollar amount: 598

598 converted is29 $20s, 1 $10s, 1 $5s, and 3 $1s.

Results

$598 converted is 29 $20s, 1 $10s, 1 $5s, and 3 $1s

Expected Output

$598 converted is 29 $20s, 1 $10s, 1 $5s, and 3 $1s

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Business Context

Explanation:

The input "business context" is an input to Program Increment Planning that helps understand what is the vision in Product Management.

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An online retailer is looking to implement an enterprise platform. Which component of the enterprise platform will help the comp
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Answer: Data and Insights

Explanation:

Data and Insights in an enterprise platform is very important as it helps users better understand their customers so that they may be able to offer them the best services.

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3 0
1 year ago
Use the single-server drive-up bank teller operation referred to in Problems 1 and 2 to determine the following operating charac
elena-s [515]

Answer:

This question is incomplete, here's the complete question:

1. Willow Brook National Bank operates a drive-up teller window that allows customers to complete bank transactions without getting out of their cars. On weekday mornings, arrivals to the drive-up teller window occur at random, with an arrival rate of 24 customers per hour or 0.4 customers per minute. 3. Use the single-server drive-up bank teller operation referred to in Problems 1 to determine the following operating characteristics for the system: a.) The probability that no customers are in the system. b.) The average number of customers waiting. c.) The average number of customers in the system. d.) The average time a customer spends waiting. e.) The average time a customer spends in the system. f.) The probability that arriving customers will have to wait for service.

Explanation:

Arrival rate \lambda = 24 customers per hour or 0.4 customers per minute

Service rate \mu​ = 36 customers per hour or 0.6 customers per minute (from problem 1)

a.) The probability that no customers are in the system , P0 = 1 - \lambda / \mu

= 1 - (24/36) = 1/3 = 0.3333

b.) The average number of customers waiting

Lq = \lambda^2 / [\mu(\mu - \lambda)] = 242 / [36 * (36 - 24)] = 1.33

c.) The average number of customers in the system.

L = Lq + \lambda / \mu = 1.33 + (24/36) = 2

d.) The average time a customer spends waiting.

Wq = \lambda / [\mu(\mu - \lambda)] = 24 / [36 * (36 - 24)] = 0.0555 hr = 3.33 min

e.) The average time a customer spends in the system

W = Wq + 1/\mu = 0.0555 + (1/36) = 0.0833 hr = 5 min

f.) The probability that arriving customers will have to wait for service.

= 1 - P0 = 1 - 0.3333 = 0.6667

3 0
2 years ago
Assume that the reference variable r refers to a serializable object. Write code that serializes the object to the file ObjectDa
laiz [17]

Answer:

FileOutputStream out = new FileOutputStream("ObjectData.dat");

ObjectOutputStream ostream = new ObjectOutputStream(out);

ostream.writeObject(r);

Explanation:

For object serialization, we can use the writeObject method of java.io.ObjectOutputStream class.

The complete code fragment is as follows:

import java.io.*;

class Demo{

      public static void main(String args[]){

             try{

                  r = <Reference to Object to be serialized> ;

                 FileOutputStream out = new FileOutputStream("ObjectData.dat");

                 ObjectOutputStream ostream = new ObjectOutputStream(out);

                  ostream.writeObject(r);

                 ostream.close();

            } catch(Exception e){

                   e.printStackTrace();

            }

      }

}

5 0
2 years ago
Given three dictionaries, associated with the variables, canadian_capitals, mexican_capitals, and us_capitals, that map province
Nookie1986 [14]

Answer:

The Python code to combine the three dictionaries are is given as follows:

  1. canadian_capital = {
  2.    cash: "SOME VALUES",
  3.    assets: "SOME VALUES"
  4. }
  5. mexican_capital = {
  6.    cash: "SOME VALUES",
  7.    assets: "SOME VALUES"
  8. }
  9. us_capital = {
  10.    cash: "SOME VALUES",
  11.    assets: "SOME VALUES"
  12. }
  13. nafta_capital = {
  14.    canadian: canadian_capital,
  15.    mexican : mexican_capital,
  16.    us: us_capital
  17. }

Explanation:

<u>Line 1 - 14 :</u>

Create three Python dictionaries and name them as <em>canadian_capitals, mexican_capital </em>and<em> us_capitals</em>. Please note a Python dictionaries should be enclosed in curly braces { }.  

We just define two samples of relevant keys (<em>cash </em>and <em>asset</em>) in each of the dictionaries. Python dictionary can map a key to a value.

Since we are not given any capital values from the question,  a dummy string "<em>SOME VALUES</em>" is tentatively set as the value for each of the keys.

In practice, we should replace those dummy strings with the real values of capital. The values can be a number, a string, a list and even a nested dictionary.

<u>Line 16 - 20 : </u>

Create one more Python dictionary and name it as <em>nafta_capital</em>.

Since our aim is to combine the three previous dictionaries (<em>canadian_capitals, mexican_capital </em>and <em>us_capitals</em>) and associate it with <em>nafta_capital</em>, we can define three different keys (<em>canadian, mexican </em>and <em>us</em>) in our dictionary nafta_capital.

As mentioned, a value associated with a key can be a nested dictionary. Hence, we just map <em>canadian_capitals, mexican_capital </em>and <em>us_capitals</em> as the value of the keys (<em>canadian, mexican </em>and<em> us</em>) in dictionary<em> nafta_capital,</em> respectively,

By doing so, we have managed to combine three target dictionaries (<em>canadian_capitals, mexican_capital </em>and <em>us_capitals</em> ) into a single dictionary, <em>nafta_capital</em>.

4 0
2 years ago
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