How To: JAVA_HOME (Mac)

Table of Contents

1. Check current version
2. View all versions on machine
3. Download a new version of Java
4. Check JAVA_HOME
5. Update JAVA_HOME
   1. Step one
   2. Step two

Check current version

java -version

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View all versions on machine

/usr/libexec/java_home -V

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Download a new version of Java

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Check JAVA_HOME

echo $JAVA_HOME

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Update JAVA_HOME

Step one

export JAVA_HOME=`/usr/libexec/java_home -v X.X.X`

// Example
export JAVA_HOME=`/usr/libexec/java_home -v 20.0.02`

Step two

nano ~/.zshrc

/**
* If you don't already have JAVA_HOME defined, add it
* to this file with the path to your desired version of 
* Java. Example below:
**/

export JAVA_HOME="/Library/Java/JavaVirtualMachines/jdk-20.jdk/Contents/Home"

Save your changes

CTRL + O (Not zero)
ENTER
CTRL + X

Confirm

// Confirm your file saved
nano ~/.zshrc

// Confirm Java version
java --version

Thank you for reading 🙏🏽 I hope this was helpful. ☺️