How Can I Install Java On Mac OSX With The Ability To Switch Between Versions?

To install Java on Mac OSX and have the ability to switch between different versions, you can use the following steps:

  1. Visit the Oracle Java SE Development Kit Downloads page ( and download the desired version of the JDK for Mac OSX.

  2. Open the downloaded .dmg file and run the installer package.

  3. Follow the prompts and complete the installation process.

  4. Open Terminal, which you can find in the Utilities folder within the Applications folder.

  5. Verify if Java is already installed by typing java -version in Terminal. If it is installed, you may see something like java version "1.8.0". If not, you’ll see an error message.

  6. Set the desired version of Java as the default using the export command. For example, if you want to set JDK 15 as the default, type the following command in Terminal:

    export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk-15.javaversion/Contents/Home
    export PATH=$JAVA_HOME/bin:$PATH
  7. Verify that the default version has been set by running java -version again. You should now see the version you specified.

  8. To switch to a different Java version, simply change the value of JAVA_HOME to the corresponding path of the desired JDK.

By following these steps, you should be able to install Java on Mac OSX and set up version switching.

About the Author Rex

I'm a passionate tech blogger with an insatiable love for programming! From my early days tinkering with code, I've delved into web dev, mobile apps, and AI. Sharing insights and tutorials with the world is my joy, connecting me to a global community of like-minded tech enthusiasts. Python holds a special place in my heart, but I embrace all challenges. Constantly learning, I attend tech conferences, contribute to open-source projects, and engage in code review sessions. My ultimate goal is to inspire the next generation of developers and contribute positively to the ever-evolving tech landscape. Let's code together!