CIS355A Week 1 Lab—Developing an OOP Console Application Solved

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  • Create a class in java with appropriate methods.
  • Process user input with the class using the scanner for keyboard input and console output.


PROBLEM:  Health Profile Console Program

GymsRUs has a need to provide fitness/health information to their clients, including BMI and maximum heart rate. Your task is to write a console program to do this.


Body mass index (BMI) is a measure of body fat based on a person’s height and weight. BMI can be used to indicate if you are overweight, obese, underweight, or normal. The formula to calculate BMI is


The following BMI categories are based on this calculation.

Category                               BMI Range

Underweight                         less than 18.5

Normal                                  between 18.5 and 24.9

Overweight                           between 25 and 29.9

Obese                                    30 or more


Max heart rate is calculated as 200 minus a person’s age.



Design and code a class called HealthProfile to store information about clients and their fitness data. The attributes (name, age, weight, and height) are private instance variables. The class must include the following methods.


method description
setName Receives a value to assign to private instance variable
setAge Receives a value to assign to private instance variable
setWeight Receives a value to assign to private instance variable
setHeight Receives TWO inputs (height in feet, inches).  Converts and stores the total INCHES in private instance variable
getName Returns private instance variable
getAge Returns private instance variable
getWeight Returns private instance variable
getHeight Returns private instance variable (inches)
getBMI Calculates and returns BMI
getCategory Returns category based on BMI
getMaxHR Calculates and returns maximum heart rate


Create a SEPARATE TEST CLASS, Lab1Main, to prompt for user input and display output using the HealthProfile class. Process multiple inputs using a loop. You can assume all user input is valid.




Enter name or X to quit: John Smith

Your age: 35

Your weight: 200

Your height – feet: 6

Your height – inches: 0


Health Profile for John Smith

BMI:  27.1

BMI Category: overweight

Max heart rate: 185


Enter name or X to quit: Ann Jones

Your age: 50

Your weight: 120

Your height – feet: 5

Your height – inches: 2


Health Profile for Ann Jones

BMI:  21.9

BMI Category: normal

Max heart rate: 170


Enter name or X to quit: X






HealthProfile class

·         All methods created with proper functionality

Lab1Main class

·         Receives user input using Scanner

·         Process input using a HealthProfile object

·         Correct output displayed in console

·         BMI displayed with 1 decimal place

·         Loop to process multiple clients

Code style 5
Lab Report 10



  • Include meaningful comments throughout your code.
  • Use meaningful names for variables.
  • Code must be properly indented.
  • Include a comment header at beginning of each file, example below.

Program Name:
Programmer’s Name: Student Name
Program Description: Describe here what this program will do



Submit as a SINGLE zip folder

  • All java files
  • Lab report


Follow assignment specification regarding class/method names.

Note that your java filename must match class name (DO NOT rename).