Java Body Mass Index (BMI) is one of the criteria that is used to calculate whet

Question

Java

Body Mass Index (BMI) is one of the criteria that is used to calculate whether one is fit or not basing on a person’s height (m) and weight (kg). The criterion is very simple; if one’s BMI is 25 or greater, it signifies overweight. A BMI less or equal to 18.5 indicates underweight. Lastly, a BMI greater than 30 shows obesity.
You have been requested to create a program that that helps the Namibian Defence Forces’ (NDF) Captain to calculates the BMI of a person (BMI = weight/height2) and also determine whether the person has also completed running 10 km in the required time. Men should complete 10km in less than 60 minutes for them to be accepted. Women should do that under 80 minutes. Both males and females are accepted if their BMI is less than 25 and greater than 18.5. For 2018 intake, there are already 6 males selected and 1 female. The values for gender, mass and weight are enter by user inputs
Sample Run 1
Welcome to NDF Captain's Selection Aid.
***************************************
Gender: male
Mass in kilograms: 82
Height in metres: 1.82
Time for completing 10 km in minutes: 45
Output1: Candidate Selected! The number of males is now 7.

Sample Run 2
Welcome to NDF Captain's Selection Aid.
***************************************
Gender: male
Mass in kilograms: 105
Height in metres: 1.9
Time for completing 10 km in minutes: 59
Output2: Candidate Overweight. Recommend more training

Sample Run 3
Welcome to NDF Captain's Selection Aid.
***************************************
Gender: female
Mass in kilograms: 60
Height in metres: 1.6
Time for completing 10 km in minutes: 66

Output3: Candidate Selected! The number of females is now 2

Sample Run 4
Welcome to NDF Captain's Selection Aid.
***************************************
Gender: male
Mass in kilograms: 150
Height in metres: 2
Time for completing 10 km in minutes: 59
Output4: Candidate Obese. Reject!

Sample Run 5
Welcome to NDF Captain's Selection Aid.
***************************************
Gender: mmmmm
Mass in kilograms: 82
Height in metres: 1.82
Time for completing 10 km in minutes: 59
Output5: Invalid Gender

Explanation / Answer

import java.util.Scanner; public class BMI { public static void main(String[] args) { int males = 6, females = 1; Scanner scan = new Scanner(System.in); System.out.println("Welcome to NDF Captain's Selection Aid."); System.out.println("***************************************"); System.out.print("Gender : "); String gender = scan.next(); System.out.print("Mass in kilograms: "); int mass = scan.nextInt(); System.out.print("Height in metres: "); double height = scan.nextDouble(); System.out.print("Time for completing 10 km in minutes: "); int mins = scan.nextInt(); double bmi = mass / (height*height); if(gender.equalsIgnoreCase("male")) { if(mins < 60) { if(bmi > 18.5 && bmi < 25) { males += 1; System.out.println("Candidate Selected! The number of males is now " + males); } else if(bmi = 25 && bmi 30) System.out.println("Candidate Obese. Reject!"); } else System.out.println("Candidate Reject! Insufficient completion of time"); } else if(gender.equalsIgnoreCase("female")) { if (mins < 80) { if (bmi > 18.5 && bmi < 25) { females += 1; System.out.println("Candidate Selected! The number of males is now " + females); } else if (bmi = 25 && bmi 30) System.out.println("Candidate Obese. Reject!"); } else System.out.println("Candidate Reject! Insufficient completion of time"); } else System.out.println("Invalid Gender"); } }

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