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slatzz

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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

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`
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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"
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Save your changes

CTRL + O (Not zero)
ENTER
CTRL + X

Confirm 

// Confirm your file saved
nano ~/.zshrc

// Confirm Java version
java --version
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Thank you for reading 🙏🏽 I hope this was helpful. ☺️

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