Install JDK-7 on Mac M1

P.S.

• The JDK 7 version available is for x64 architecture.
• It will be running via Rosetta 2 (Rosetta 2 enables a Mac with Apple silicon to use apps built for a Mac with an Intel processor.)

Download & Install JDK 7 from Oracle website

Oracle JDK 7 Download page

Find and download the package under the list having name as “Mac OS X x64”. In my case, the file name is “jdk-7u80-macosx-x64.dmg”.

Install it by double-clicking on it and going through the installation process normally.

Verify the installation

Open a new shell, and verify the installation by

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javac -version

It should output something like

$ javac -version
javac 1.7.0_80

Set JAVA_HOME variable for JDK-7 on MacOS

Run the below command to lookup the location for the JDKs installed on the system.

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/usr/libexec/java_home -V | grep jdk

The output is something like

$ /usr/libexec/java_home -V | grep jdk
Matching Java Virtual Machines (2):
   1.8.301.09 (x86_64) “Oracle Corporation” - “Java” /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home
   1.7.0_80 (x86_64) “Oracle Corporation” - “Java SE 7” /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home

Copy the path as per your result. In my case I have copied the path for Java SE 7 i.e. /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home

Add the path to your ~/.zshrc

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export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home
export PATH=$JAVA_HOME/bin:$PATH

Hope this helps!