So user need to load those specific version, which is required by an App. Some apps specifically need to use very specific (old) version of Java SE JRE/JDK, etc.'LEGACY JAVA' is older version of Java SE JRE/JDK, etc. Run/double-click on 'JavaSE6.pkg' file inside ~/Downloads/tmp/ folder. Pkgutil -flatten ~/Downloads/tmp/OSXJavaSE6/ ~/Downloads/tmp/JavaSE6.pkg Sed -i '' 's/return false/return true/g' ~/Downloads/tmp/OSXJavaSE6/Distribution Hdiutil unmount '/Volumes/Java for macOS 2017-001/'

Pkgutil -expand '/Volumes/Java for macOS 2017-001/JavaForOSX.pkg' ~/Downloads/tmp/OSXJavaSE6/ This should work to enable adding legacy Java onto the Catalina Mac OS device Run this ModifiedJava6Install.pkg to install Java 6. Running the script will create a ModifiedJava6Install.pkg on your desktop.Select Script > Run from the menu, or select the 'Arrow' run button.Select Script > Compile from the menu, or select the 'Hammer' button to ensure the above copy and pasted code compiles. Navigate to Applications > Utilities > Script EditorĬopy the following text to the Script Editor Document: set theDMG to choose file with prompt 'Please select javaforosx.dmg:' of type.The source code of the Java Platform, Standard Edition 11 Reference Implementations binaries is available under the GPLv2 in a single zip file. Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdk/Contents/Home OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.6+10, mixed mode) OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.6+10) In previous macOS versions, this was done in ~/.bash_profile. In ~/.zshrc, I set the variable like so: export JAVA_HOME=$(/usr/libexec/java_home) Here is a trick that allows me to keep the environment variable current, even after a Java Update was installed. JAVA_HOME is an important environment variable and it’s important to get it right. OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.4+11, mixed mode) OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.4+11) … hopefully showing something like this: openjdk 11.0.4 After opening a terminal, the successful installation of the JDK can be confirmed like so: java -version OpenJDK11U-jdk_圆4_mac_hotspot_11.0.4_11.pkg, which when executed, will install into this location: /Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdkĪlmost done. However, the easiest way is to select OpenJDK 11 (LTS), the HotSpot JVM, and macOS 圆4, which will expose two option like these:Ĭlicking on “Install JDK installer”, will download the OpenJDK installer package, e.g. Easy to follow details about how to install OpenJDK are available here. As I’m writing this, Java 11.0.4 is the latest version and AdoptOpenJDK is one of the best places to find Prebuilt OpenJDK Binaries. Since OS X 10.7 Java is not (pre-)installed anymore, let’s fix that. Looking for how to install Java on Big Sur? Please take a look over here.

Jdk mac os catalina