Question

(JAVA)

Project 2: Predicting A Child's Height (10 pts). One way to estimate the adult height of a child is to use the following appropriate formula: Hmale_child = ((Hmother * 13/12) + Hfather)/2 Hfemale_child = ((Hfather * 12/13) + Hmother)/2 Note that all heights in these formulas are in inches, so use int variables to store them Write a program that prompts for the gender of the child, the height of the father, and the height of the mother, then calculates and prints the estimated adult height of the child. • All heights should be entered by the user in feet and inches and displayed to the user in feet and inches. • When displayed, inches should be rounded to the nearest inch. Test your program using the test cases below and PrintScreen the results. Test Cases Father Mother Gender 6'3" 5'10" Male 5'6" 5'6" Female 5'5" 5'7" Female 6' 5'6" Male

Answer 1

/*
* Java program that prompts user to enter the feet and inches
* of father and mother of a child and then prompts for the
* gender m or f then find the height of the child in feet
* and inches
* */
import java.util.Scanner;
public class EstimatedHeight
{
   public static void main(String[] args)
   {      
       //declare varialbles
       int father_height;
       int mother_height;
       int child_height;
       int child_height_feet;
       int child_height_inches;

       String gender="";
       Scanner console=new Scanner(System.in);

       //read input data values from user
       System.out.printf("Enter height of father (in feet) : ");
       int father_height_feet = Integer.parseInt(console.nextLine());
       System.out.printf("Enter height of father (in inches) : ");
       int father_height_inches = Integer.parseInt(console.nextLine());

       System.out.printf("Enter height of mother (in feet) : ");
       int mother_height_feet = Integer.parseInt(console.nextLine());
       System.out.printf("Enter height of mother (in inches) : ");
       int mother_height_inches = Integer.parseInt(console.nextLine());
      
       System.out.printf("Enter Gender(m or f ):");
       gender=console.nextLine();

       //calculate the father height in inches
       father_height=12*father_height_feet+father_height_inches;
       //calculate the mother height in inches
       mother_height=12*mother_height_feet+mother_height_inches;

       //calculate the height of the child in inches
       if(gender.equalsIgnoreCase("m"))
           child_height=((mother_height*13/12)+father_height)/2;
       else
           child_height=((mother_height*12/13)+father_height)/2;

       //conver the child height in feet and inches
       child_height_feet=child_height/12;      
       child_height_inches=child_height%12;

       //print the child height in feet and inches
       System.out.printf("Height of child : %d\" %d\' \n",
               child_height_feet,child_height_inches);
   } //end of the method
}//end of the class

sample output:

Outputs of given sample values as test cases

Enter height of father in feet): 6 Enter height of father in inches): 3 Enter height of mother in feet): 5 Enter height of mother in inches): 10 Enter Gender(m orf):m Height of child : 6" 3'

Enter height of father in feet): 5 Enter height of father in inches) : 6 Enter height of mother (in feet): 5 Enter height of mother in inches): 6 Enter Gender(m orf):f Height of child : 553

Enter height of father in feet) : 5 Enter height of father in inches): 5 Enter height of mother in feet): 5 Enter height of mother (in inches): 7 Enter Gender(m orf):f Height of child : 553

Enter height of father in feet): 6 Enter height of father in inches): 0 Enter height of mother in feet): 5 Enter height of mother (in inches) : 6 Enter Gender(m orf):m Height of child : 5" 11