The most recent successful upgrade points the symbolic link at /Library/Java/Home to itself, so you don’t need to update it manually unless you want to switch to a different major version.

code2caremac gradle Welcome to Gradle 6.8. Check if Gradle is installed using command gradle. Once Xcode tool is installed retry the command: brew install gradle. Run the command xcode-select -install to install Command Line Tool before installing gradle. Run brew cu java or brew cu java8 if you want to upgrade the JDK for current version of JDK or for Java 8 respectively. Install the Command Line Tools: xcode-select -install. Java HotSpot(TM) 64-Bit Server VM (build 9.0.1+11, mixed mode) Java(TM) SE Runtime Environment (build 9.0.1+11) $ sudo ln -nsf $(/usr/libexec/java_home -v 9) $JAVA_HOME Execute below command on terminal to see if you have maven installed. Java HotSpot(TM) 64-Bit Server VM (build 25.152-b16, mixed mode) Install maven using Homebrew If you are using the latest MacOSX, maven may be built-in and can be found at /usr/share/maven. Java(TM) SE Runtime Environment (build 1.8.0_152-b16) $ sudo ln -nsf $(/usr/libexec/java_home -v 1.8) $JAVA_HOME The simple option is to set JAVA_HOME to symbolic link /Library/Java/Home, then point it to you desired JDK install: $ export JAVA_HOME='/Library/Java/Home' To install latest version of Java 9, run brew cask install java. To install Java from scratch, install Homebrew Cask cask-update (you need to have Homebrew already installed) first, then install Java using Cask: brew tap buo/cask-upgrade & brew tap caskroom/versions Good news is that, for a while now, you have been able to install and upgrade multiple versions of JDK using only your shell, without having to deal with Oracle’s graphical installers.

I also wanted to have a Java 9 JDK to play around with the new module system and API’s. Recently, I upgraded my MacBook Pro from a old, trusty Yosemite to Sierra, and reluctantly had to clean out the old JDK versions I had accumulated over a few years. Maintaining Java Installs on macOS Using Homebrew Cask

Use java 8 mac brew