Why is {ni} used instead of {wo} in ~{ni}[]{ataru}? How can I find the shortest path visiting all nodes in a connected graph as MILP? */ public static void main (String [] args) { double cm,kg,bmi,newcm; This program will use both Metric (kg/m) and Imperial (lb/in) BMI formula. I'm hoping to get a critical review of the code to identify any potential problems with it. I'd rather call it a BMICalculator (it's conventional to name classes with nouns and methods with verbs). I do follow directions (slides), so mabe there's something wrong in the slides or I'm misinterpreting them. To create these instances, you can use a method similar to the answer above, however, I'd recommend you do addiditonal checks, whether the arrays are of the same size. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Java Program to calculate BMI or Body Mass Index computing the BMI given the height and the weight of the user, converting a numeric value of the BMI to a human-readable message. For example, printing out the welcome message could be a method. Why would a highly advanced society still engage in extensive agriculture? Use MathJax to format equations. Try to fix it if that's not how you see code in your IDE. MathJax reference. Are arguments that Reason is circular themselves circular and/or self refuting? Simple calculator using methods Ask Question Asked 8 years ago Modified 7 years, 8 months ago Viewed 16k times 6 I am a beginner to Java and am learning about using methods. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Created by Meks. It allows user to enter height in feet and inches or centimeters. Write a java code to let the user enter weight, feet, and inches and interpret the users BMI. Best solution for undersized wire/breaker? One method should do one focused thing. Introduction In this post, we will look at a Simple Calculator Test case example for writing JUnit Tests. Even so, try to make the code 'obvious' first. Calculate the velocity of the body. :), Simply put, comments should explain the why, not how. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Learn more about Stack Overflow the company, and our products. Why do we allow discontinuous conduction mode (DCM)? BMI basically gives an estimate on how healthy our weight is. I'm having to guess at this, but is h=getBMIValue("height") line 15? [7] Method 3. It only takes a minute to sign up. 1. Your BMI calculation is also off since your automatically using values of 0.0 and 0.0. Indentation also plays a huge part in readability. I did the curtsy of calculating the bmi for you. I'll go through your code from top to bottom: The comment "import scanner" is not necessary, since it only repeats what the code below already does. bmi-calculator GitHub Topics GitHub Can't align angle values with siunitx in table. Java Program to Calculate BMI (Body Mass Index) - STechies I seek a SF short story where the husband created a time machine which could only go back to one place & time but the wife was delighted, Effect of temperature on Forcefield parameters in classical molecular dynamics simulations. You will get more clarification after going through the program . How do I get rid of password restrictions in passwd. Asking for help, clarification, or responding to other answers. Otherwise surely a review element would be code indentation :). Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You run all the computations in the main method. You don't need to return anything in the methods if all you are doing is assigning values to your class fields and outputting info. Java program to calculate Body Mass Index (BMI) - Online Tutorials Library In first if you check if bmi is smaller 18.5. Conversely, comments like //declare variables or //create scanner actually harm the readability. How to design the circuit to connect a status input and ground from the external device, to one of the GPIO pins on the ESP32. My calculator is built with 5 methods. He writes tutorials in Java, PHP, Python, GoLang, R, etc., to help beginners learn the field of Computer Science. */, /** It is a measure of body mass based on height and weight of an individual. We have to use a different formula for both cases. BMI is a fairly reliable indicator of body fatness for most people. BMI Calculator in Java - Medium It would make your code more readable and testable (you would be able to test your methods separately). Asking for help, clarification, or responding to other answers. For example, 0.03673 multiplied by 703 equals 25.82, so your approximate BMI in this example would be 25.8. It's fine to keep the height as an int, but I would show a message to the user saying that. methods - How to Calculate BMI in Java - Stack Overflow Making statements based on opinion; back them up with references or personal experience. As a beginner, you may need these kinds of comments, but as soon as you have written this type of code five times, you should get rid of these comments. It makes your code look sloppy, as if you didn't proofread it yourself before showing it to other people. BMI between 18.5 and 24.9 is considered ideal. You need to set them to the parameters of your class: this.firstName = user FirstName. What mathematical topics are important for succeeding in an undergrad PDE course? Just about your last comment in code: you neither need the last else nor that much of comparison you make. Naming it continueLoop because it's used in a while statement is silly. Asking for help, clarification, or responding to other answers. Basic Calculator Program Using Java - GeeksforGeeks Programming Python Reference Java Reference. A body of mass 25 kg has a momentum of 125 kg.m/s. The following table shows the main BMI categories,BMI RangeCategory< 18.5Thinness18.5 25Normal25 30Overweight> 30Obese. This tutorial helps beginners to understand writing and executing JUnit Tests. I want to throw exceptions for the wrong input (has to be a double, non-negative and not zero) and I want to catch any mathematical errors that may occur. android ui-design firebase android-application firebase-auth health-data firebase-realtime-database calories-tracker bmi-calculator. The output of this program would be the result of the BMI calculation for a person and the result of whether the person is underweight, normal, overweight, or obese based on the value of their BMI, This output will only be visible after you run the code by using any Java compiler. A similar question must have been asked a thousand times, but for the life of me I can't figure this out. Calculate BMI in Java using metrics - Stack Overflow Using the range of BMI, individuals are classified as underweight, normal or overweight. Its value is in a specific range for a healthy individual. Making statements based on opinion; back them up with references or personal experience. BMI = (Weight in Kg) / (Height in Meters * Height in Meters). Not the answer you're looking for? In my mind, feet and inches should be integers and weight should be a double. Do the 2.5th and 97.5th percentile of the theoretical sampling distribution of a statistic always contain the true population parameter? You would get an answer of 0.03673. Why is the expansion ratio of the nozzle of the 2nd stage larger than the expansion ratio of the nozzle of the 1st stage of a rocket? The following table shows the main BMI categories. Now we need to create the First Method called bmiCaculator (double weight,double height) this method will accept the Height and weight parameter from the user. If all you want to do in your application is calculate the BMI, PersonHealthData is completely unnecessary, just do the calculation in EntryPanel and be done with it. Can YouTube (e.g.) As pointed out in some of the other answers, getting a double value from the keyboard can be abstracted into its own method to avoid code repetition: If you are on Java 7 and above, you should use try-with-resources for efficient handling of the underlying I/O resource: It's important to note that BMI is expressed in units of \$\frac{kg}{m^2}\$, so you should definitely display the units of measurement too. I agree, however, it was the prompt in the sample output so I just went with it. ), Having the main method within your logic class is never good. This "TODO" comment is something you have to remove. where kg is the weight of individual and m2 is the squared height of individual. It's clearer! The Body Mass Index (BMI) Calculator can be used to calculate BMI values based on height and weight. Code Review Stack Exchange is a question and answer site for peer programmer code reviews. @Mat To be honest, I'm following a course on Java at uni and I'm just solving some puzzles to get better at it. Thanks for contributing an answer to Code Review Stack Exchange! Good point, thank you. Code Review Stack Exchange is a question and answer site for peer programmer code reviews. The best answers are voted up and rise to the top, Not the answer you're looking for? Note that the program takes the height input in centimeters. Hint: "return" is important. In this example, we will learn how to do the calculation by using any of these two different approaches. This import can be removed completely, since all classes from java.lang are imported implicitly. on the how, which is already apparent in the code. BMI above 30 is considered obese. beginner - BMI Calculator in Java - Code Review Stack Exchange Using a comma instead of and when you have a subject with two verbs, What does Harry Dean Stanton mean by "Old pond; Frog jumps in; Splash!". GitHub - iasjem/bmi-calculator-java: A simple program that calculates Client-Side Programming The steps involved on client side are as follows- Open the socket connection It is difficult to understand what some of these numbers are used for unless you are deep in the implementation details. This becomes easy when you name your methods descriptively. It holds the data, calculates the BMI and provides a user-facing string. BMI Calculator Program in Java - Programming Code Examples Is it normal for relative humidity to increase when the attic fan turns on? We have to use a different formula for both cases. The code snippet that demonstrates this is given as follows , Then the Body Mass Index is calculated using the formula BMI = weight / (height * height). bmi is okay, but I can't think of what cms, mtr stand for. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I think it should say that it requests the user's height (it's not clear from the message itself). (adsbygoogle = window.adsbygoogle || []).push({}); In thisprogramwe will calculate BMI. Below I have shared the simplecalculator program in java using swing. 594), Stack Overflow at WeAreDevelopers World Congress in Berlin, How to draw a specific color with gpu shader. The Journey of an Electromagnetic Wave Exiting a Router. All Rights Reserved. BMI = (Weight in Kilograms) / (Height in Meters * Height in Meters). Find centralized, trusted content and collaborate around the technologies you use most. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Example import java.util.Scanner; public class Example { public static void main(String args[]) { Scanner sc = new Scanner(System.in); System.out.print("Input weight in kilogram: "); double weight = sc.nextDouble(); System.out.print(" Also, maybe you've had some problem with indenting your code when posting it here? It's not a good practice. How can I change elements in a matrix to a combination of other elements? We aren't really using object-oriented tools provided by Java. 2. BMI is calculated by dividing a person's weight in kilograms by square of height in meters. replacing tt italic with tt slanted at LaTeX level? Code Review Stack Exchange is a question and answer site for peer programmer code reviews. One could argue that readHeight and readWeight should be in the same method, and have slightly different parameters to decide which String to show, but I think it's best to keep them separated. In Java, it is good practice to declare variables as late as possible, that is when they are first used. That is probably what @IEatBagels is referring to. Simple BMI calculator in Java - Code Review Stack Exchange For example, this method would have a really long & awkward name. You chose excellent names for your variables. Note that the program takes the height input in centimeters. The code works and meets all requirements as far as I can see. MathJax reference. The BMI has ranges which can be seen in the table below: Lets implement the BMI index calculator in Java: The code above will take inputs for the weight and height and then check the category of BMI. You should never use while(true), instead put the condition inside the while loop. It can be calculated by taking your weight in kilograms and dividing it by the square of your height in meters. * Print the final result @media(min-width:0px){#div-gpt-ad-codevscolor_com-medrectangle-3-0-asloaded{max-width:320px;width:320px!important;max-height:50px;height:50px!important}}if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'codevscolor_com-medrectangle-3','ezslot_8',152,'0','0'])};__ez_fad_position('div-gpt-ad-codevscolor_com-medrectangle-3-0');@media(min-width:0px){#div-gpt-ad-codevscolor_com-medrectangle-3-0_1-asloaded{max-width:320px;width:320px!important;max-height:50px;height:50px!important}}if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'codevscolor_com-medrectangle-3','ezslot_9',152,'0','1'])};__ez_fad_position('div-gpt-ad-codevscolor_com-medrectangle-3-0_1');.medrectangle-3-multi-152{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding:0;text-align:center!important}, @media(min-width:0px){#div-gpt-ad-codevscolor_com-medrectangle-3-0-asloaded{max-width:728px!important;max-height:90px!important}}. I have an assignment in Java, where I have to calculate the BMI of a particular user, in an array of users, an array of heights and an array of weights. I'm not a java programmer so this might not be right. The ln in println stands for linebreak. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); In this article we will learn what is event handling and how to handle events in Java programs using the delegation event model. Thank you all. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. rev2023.7.27.43548. Body Mass Index (BMI) is a measure of health based on height and weight. How can I calculate BMI in Java Where the weight and height is an array java - Simple calculator using methods - Code Review Stack Exchange This tutorial demonstrates how to create a BMI calculator in Java. See output: Sheeraz is a Doctorate fellow in Computer Science at Northwestern Polytechnical University, Xian, China. Hi Julie, please include more context in your post. This method is also doing waaaaay too much. Do the 2.5th and 97.5th percentile of the theoretical sampling distribution of a statistic always contain the true population parameter? The trick in the second half of the while loop is that the expression, Thanks. If so I would guess it is something to do with scan. Enter weight in Kg: 60Enter height in feet and inches,Feet:: 5Inches:: 4Normal, Your email address will not be published. The message Enter feet: looks kind of strange. Reading from the previous answer given by krasevich I too recommend you become familiar with using multiple methods rather than putting everything in the main method. Previous owner used an Excessive number of wall anchors. In this article, a simple calculator application is implemented wherein the client will send requests to server in form of simple arithmetic equations and server will respond back with the answer to the equation. 6. What mathematical topics are important for succeeding in an undergrad PDE course? Java BMI Calculator Program - The Java Programmer OverflowAI: Where Community & AI Come Together, Behind the scenes with the folks building OverflowAI (Ep. To learn more, see our tips on writing great answers. How can I change elements in a matrix to a combination of other elements? @pacmaninbw Yes, Body Mass Index, I've edited my post to include all details of what the program does. Algebraically why must a single square root be done on all terms rather than individually? # bmi-calculator Here are 54 public repositories matching this topic. Create BMI (Body Mass Index) Calculator In Java - W3Adda If you've learned how to create methods, you should start practicing making them. We've only done so that way. java - Very basic calculator using methods - Code Review Stack Exchange So in the upcoming else case you don't have to check if its equal or bigger 18.5, if this would not be true it would be smaler so the if case had taken action and the else won't. If there is possibility that the length of these arrays might be different I suggest to add some conditions, First it calculate the perfect weight and then it is compared to Person weight and print if the person should lose or gain some kg. 5. How to display Latin Modern Math font correctly in Mathematica? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It's not a big deal here but something to keep in mind for future programs. I thought about this. The BMI stands for Body Mass Index. bmi-calculator GitHub Topics GitHub 4 Ways to Calculate Your Body Mass Index (BMI) - wikiHow Image Preview Then two more specific subclasses that inherit from that base class called ImperialBMICalculation and MetricBMICalculation. Beginning BMI calculator in Java - Code Review Stack Exchange rev2023.7.27.43548. In each instance of this class, you can store the name, the height and weight of a given person.
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