Hey! Tea lovers. Let us talk about the first baby step we take into the Java world. And that’s the installation of Java Development Kit aka JDK. There are only 3 steps to set up JDK, without the installer. You can have multiple versions of JDK at the same time and switch between them very easily. Prepare your tea and let us see those 3 magical steps.
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This post discusses the installation of JDK on the Windows system. We will be discussing other operating systems such as Ubuntu and Centos. The JDK I am utilizing for the aforementioned post is OpenJDK 13. We have JDK 14 as well but it’s an early release and might have bugs. So we won’t be using that.
You can apply this tutorial to any version of JDK.
Step 1: Downloading the Latest JDK
Step 2: Installing Latest JDK
Extract the contents of the zip in
C:/Program Files/Java/ or in any other folder of your choice. It is common to find Java in this folder so less time in finding it.
Step 3: Setting Up Path Variables
Putting the JDK folder inside Java won’t make it run the latest version. We have to tell Windows to point this folder
jdk-13.0.1 whenever we call
javac. And this step is what lets you switch between the JDK of your choice. So the journey is,
1. Go to Control Panel > System and Security > System > Advanced System settings
2. Click on Environment Variables.
You will be getting 2 sections of User variables and System variables.
3. For Java Home, Click the New button under User variables for <your user name> section.
4. In the Variable name type JAVA_HOME and Variable value paste the path till JDK folder, In this case,
C:\Program Files\Java\jdk-13.1.0. Then press OK.
5. Now click the Path variable from the System variables section. Either double-click it or click edit.
If you don’t have Admin access you can edit the Path of your current account, which is under User variables for <your user name> section.
6. Click the New button and paste the path of the bin folder of the JDK (<path of JAVA_HOME>).
For me, it will be
C:\Program Files\Java\jdk-13.1.0\bin . Then click OK.
In case of already existing JDK such as JDK8 by Oracle or any other, remove that or replace with this path.
7. Now click OK on all the popup windows to save the changes. And open the command line for the next step.
Open the new cmd console. Do not verify on already opened cmd. These changes won’t reflect in it. Type the following commands to verify the changes.
java -version: Returns the version of JDK. It should return 13.1.0.
javac -version: Returns the version of JDK compiler. It again should return 13.1.0.
echo %JAVA_HOME%: Should return the JDK path. For me, it will be
And that’s how you install the latest JDK on windows. We have covered the Windows installation of the latest JDK, 13.1.0. As I said, the procedure is the same for any other version as long as you set the path variables. We will be having the latest JDK installation guide for the Linux systems such as Ubuntu and Centos. So make your tea ready by then to sip and learn. Please share your thoughts on this in the comment section. You can check out the Java Best Practices.
See you in the next post. HAKUNA MATATA!!!