In this article, I will demonstrate how to install Java OpenJDK 14 on macOS Catalina in 2020. If you are interested in installing OpenJDK 15 (which is the newest version as of this writing), please see this article: How to Install Java OpenJDK 15 on macOS Catalina Download and Install OpenJDK 14 Download the .tar.gz version of OpenJDK 14 from jdk.java.net/14/. sudo mv openjdk-14.0.1_osx-x64_bin.tar.gz /Library/Java/JavaVirtualMachines/ cd /Library/Java/JavaVirtualMachines/ sudo tar -xzf openjdk-14.0.1_osx-x64_bin.tar.gz sudo rm openjdk-14.0.1_osx-x64_bin.tar.gz Next, execute the following command to ...