How To Install IntelliJ IDEA | Configure with JavaFX SDK and OpenJDK (2021)

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Hi Everyone! I am going to show you how to Install Intellij then configure it with JDK15 along with JavaFX 15. Let's start with downloading the IntelliJ download and Scroll up click this Link just click this Link and click this Download button We are going to download the Community version I am using Apple macOS with intel chip just choose what correspond to your need. Now its downloading... Once Download completed, Right click to open there you go I will just drag this to install If you are using windows, just run the installer Now let's run IntelliJ, it should be here and here Just confirm if you agree and click Continue Here, Choose base on your personal preference Now we have IntelliJ, let's create a project and complete the configurations and we would like to encounter two common errors and fix them Click New Project Select JavaFX and By default there is no Project SDK set yet the good news is we can download JDK from here Select Download JDK The latest JDK is shown here also you have couple more options But We will use Oracle OpenJDK take note of this location, click Download Now Installing Open JDK 15.0.1 once done just click Next Set the project name then click Finish there you this is your IntelliJ IDE In the Editor we have Main controller and fxml This is your Project Tool where you will find Controller, Main, and fmxl under Package sample We are going to click this Main.java Tab This will trigger the IDE to Analyze our code. there you go and you see, it is Analyzing... it will let us know if there is any issue or error and as you can see JavaFX and related keywords turned RED it means we have an error Well technically we can check it now base on Error Log But let's RUN this and see what we got so... so click this RUN There you go, we have an error, it says it says Package javafx.application does not exist well to be precise this is just one of couple of errors we got as you can see in the side. you have package javafx.fxml does not exist and so on OK,, These errors or error just telling you that you do not have any Javafx SDk configured yet To fix this, let's download Javafx SDK Javafx download here you go Click this JAVAFX and here Click Download perfect Just select the corresponding Javafx for your platform or OS, we are using JDK15 so I will pick the latest release which is 15.0.1 If you recall we just use JDK 15, right, here right here ok I am currently using macOS so this is what I will download If you are using Windows, just download the corresponding installer If you are using Windows, just download the corresponding SDK Now, let's check the downloaded file and we just need to Open this zip file unzip that, there you go we have this folder check this out, making sure we have the jars we need. base controls fxml lets configure this up Go to File > Project Strucuture As you can see here you have your Project SDK Isset to openJDK 15.0.1, that's very good now lets go to Module and click this Dependencies here see this? There you go Go here and Click Add JARs and directories there you go we are going to proceed to where you save the Javafx SDK and specify or select the JARs that we need and... lib so include this Base Controls, Fxml and Graphics that about it for now you can always add what you else need there alright, here just them out, check these and... We are going to click APPLY. Take note of the error in RED at the back and... there you go! It fix the issue or error. click OK Now it is fixed, let's Run and see what else Ok, We got a new Error It says JavaFX runtime components... missing and are required to run this application and We have this error because we have yet to specify what we require to run our code. What Javafx components we need this is directly tied up to the JavaFX SDK that we just added and give us clarity why we need them One way to resolve this is to add module-info.java so here... Right click and New > Module-info.java there you go We are going to specify what we requires Remember those JARs? so start with Graphics then controls and.... and... fxml this can be in any order so long you specify them here there you go and we are going to do OPENS we are going to specify the package name which is this 'sample' here and 'sample' alright! Lets run this and see what we got There you go! CONGRATULATIONS! We successully run our first JAVAFX code You are set! I hope you learn something. Thank you for watching!

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Id: S6vBeCrdIHo

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Length: 8min 26sec (506 seconds)

Published: Fri Jan 08 2021