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krok68 [10]
2 years ago
10

Problem: Write the Python code of a program called ComputeSquare that asks the user to enter the length of the side of the squar

e and displays the area and perimeter of the square. Check that the side length is greater than zero, and if it is not, display an informative error message to the user. ​
Computers and Technology
1 answer:
Lera25 [3.4K]2 years ago
6 0
<h2>Solution :</h2>

The given problem is solved in Python.

def ComputeSquare():

side = float(input('Enter the side of the square: '))

if side > 0:

perimeter = 4 * side

area = side * side

print('Perimeter of the square is:',

perimeter, 'unit.')

print('Area of the square is:', area, 'square unit.')

<h3> else:</h3>

print('Invalid input.')

ComputeSquare()

<h2>Explanation :-</h2>

  • In this program, we create a function ComputeSquare() to calculate the perimeter and area of a square.

  • The function asks the user to enter the side of the square. The side is then stored in a variable.

  • Now, we check whether the side is greater than 0 or not using if-else statement.

  • If the condition is true, the perimeter and area is calculated which is displayed using print() statement.

  • If the condition is false, the else blocks executes printing the error message.

<h3>Refer to the attachment for output.</h3>

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Write a RainFall class that stores the total rainfall for each of 12 months into an array of doubles. The program should have me
RSB [31]

Answer:

Explanation:

The code provided worked for the most part, it had some gramatical errors in when printing out the information as well as repeated values. I fixed and reorganized the printed information so that it is well formatted. The only thing that was missing from the code was the input validation to make sure that no negative values were passed. I added this within the getMonths() method so that it repeats the question until the user inputs a valid value. The program was tested and the output can be seen in the attached image below.

import java.io.*;

import java.util.*;

class Rainfall

{

   Scanner in = new Scanner(System.in);

   private int month = 12;

   private double total = 0;

   private double average;

   private double standard_deviation;

   private double largest;

   private double smallest;

   private double months[];

   public Rainfall()

   {

       months = new double[12];

   }

   public void setMonths()

   {

       for(int n=1; n <= month; n++)

       {

           int answer = 0;

           while (true) {

               System.out.println("Enter the rainfall (in inches) for month #" + n + ":" );

               answer = in.nextInt();

               if (answer > 0) {

                   months[n-1] = answer;

                   break;

               }

           }

       }

   }

   public void getTotal()

   {

       total = 0;

       for(int i = 0; i < 12; i++)

       {

           total = total + months[i];

       }

       System.out.println("The total rainfall for the year is " + total);

   }

   public void getAverage()

   {

       average = total/12;

       System.out.println("The average monthly rainfall is " + average);

   }

   public void getLargest()

   {

       double largest = 0;

       int largeind = 0;

       for(int i = 0; i < 12; i++)

       {

           if (months[i] > largest)

           {

               largest = months[i];

               largeind = i;

           }

       }

       System.out.println("The largest amount of rainfall was " + largest +

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   }

   public void getSmallest()

   {

       double smallest = Double.MAX_VALUE;

       int smallind = 0;

       for(int n = 0; n < month; n++)

       {

           if (months[n] < smallest)

           {

               smallest = months[n];

               smallind = n;

           }

       }

       System.out.println("The smallest amount of rainfall was " + smallest +

               " inches in month " + (smallind + 1));

   }

   public static void main(String[] args)

   {

       Rainfall r = new Rainfall();

       r.setMonths();

       r.getTotal();

       r.getSmallest();

       r.getLargest();

       r.getAverage();

   }

}

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baherus [9]

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Explanation:

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using namespace std;

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}  

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   else

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   return 0;  

}

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