Write a program that asks the user for the number of males and the number of females registered in a class. the program should display the percentage of males and females in the class. hint: suppose there are 8 males and 12 females in a class. there are 20 students in the class. the percentage of males can be calculated as: (8/20) * 100, or 40%. the percentage of females can be calculated as: (12/20) * 100, or 60%.

import java.util.Scanner;

public class PercentagePopulation {

public static void main(String[] args) {

 // 1. Create an object of the Scanner class

 // This will allow for user's inputs

 Scanner input = new Scanner(System.in);

 // 2. Create a prompt asking the user to enter the number of males

 System.out.println("Please enter the number of males");

 // 3. Receive the number entered by the user and store in an int

 // variable called  number_of_males.

 int number_of_males = input.nextInt();

 // 4. Create a prompt asking the user to enter the number of

               // females

 System.out.println("Please enter the number of females");

 // 5. Receive the number entered by the user and store in an int

 // variable  called, number_of_females

 int number_of_females = input.nextInt();

 // 6. Find the sum of the number of males and females

 // Store the result in an int variable called total.

 int total = number_of_males + number_of_females;

 // 7. Find the percentage of males by using the appropriate

 // formula.  Do a type-casting to allow for division in floating point

               // representation by prepending the number_of_males by (double)

 double percentagemales = (double) number_of_males / total * 100.0;

 // 8. Find the percentage of females by using the appropriate

 // formula.  Do a type casting to allow for division in floating point

               // representation by prepending the number_of_males by (double)

 double percentagefemales = (double) number_of_females / total * 100.0;

 // 9. Print out the results

 System.out.println("Percentage males : " + percentagemales + "%");

 System.out.println("Percentage females : " + percentagefemales + "%");

}

}

Explanation:

Please go through the comments in the code to give an explanation of the program. The source code file has also been added to this response. Please download it and go through it.

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