(于2020年1月17日添加)Homebrew安装的OpenJDK 11(java11)是Oracle构建版本
不再受支持，因此使用诸如AdoptOpenJDK之类的构建版本似乎更好。
使用Homebrew --Qiita
在macOS上安装Java 11(OpenJDK：AdoptOpenJDK)
供参考，由Homebrew安装的最新版本的OpenJDK 11(java11)自2019年1月15日起。
1 2 3 4 | $ /Library/Java/JavaVirtualMachines/openjdk-11.0.2.jdk/Contents/Home/bin/java -version openjdk version "11.0.2" 2019-01-15 OpenJDK Runtime Environment 18.9 (build 11.0.2+9) OpenJDK 64-Bit Server VM 18.9 (build 11.0.2+9, mixed mode) |
homebrew-cask-versions / master上的java11.rb·Homebrew / homebrew-cask-versions·GitHub
1 2 3 4 5 6 7 8 9 10 | cask 'java11' do version '11.0.2,9' sha256 'f365750d4be6111be8a62feda24e265d97536712bc51783162982b8ad96a70ee' url "https://download.oracle.com/java/GA/jdk#{version.major}/#{version.after_comma}/GPL/openjdk-#{version.before_comma}_osx-x64_bin.tar.gz" name 'OpenJDK Java Development Kit' homepage 'https://www.oracle.com/technetwork/java/javase/' artifact "jdk-#{version.before_comma}.jdk", target: "/Library/Java/JavaVirtualMachines/openjdk-#{version.before_comma}.jdk" end |
↓仍然，要使用Homebrew安装OpenJDK 11，请参见下文。
安装自制软件
安装方法在这里→https://brew.sh/index_ja
引入了自制酒桶版本，可以安装旧版本
GitHub --Homebrew / homebrew-cask-versions：??木桶的替代版本
1 | $ brew tap homebrew/cask-versions |
安装OpenJDK 11
1 | $ brew cask install java11 |
检查已安装目录
的位置
1 2 | $ /usr/libexec/java_home -v 11 /Library/Java/JavaVirtualMachines/openjdk-11.0.2.jdk/Contents/Home |
设置环境变量JAVA_HOME和PATH
根据需要在.bash_profile或.bashrc中进行描述。
1 2 | export JAVA_HOME=`/usr/libexec/java_home -v 11` PATH=${JAVA_HOME}/bin:${PATH} |
检查已安装的OpenJDK
1 2 3 4 5 6 7 8 9 10 11 12 13 | $ java -version openjdk version "11.0.2" 2019-01-15 OpenJDK Runtime Environment 18.9 (build 11.0.2+9) OpenJDK 64-Bit Server VM 18.9 (build 11.0.2+9, mixed mode) $ javac -version javac 11.0.2 $ which java /Library/Java/JavaVirtualMachines/openjdk-11.0.2.jdk/Contents/Home/bin/java $ which javac /Library/Java/JavaVirtualMachines/openjdk-11.0.2.jdk/Contents/Home/bin/javac |
参考：当OpenJDK 11是最新版本
时记录
截至2019年1月25日，OpenJDK的最新版本为11，因此使用以下命令安装了版本11。当前的最新版本不是11，因此将安装较新的OpenJDK。
1 | $ brew cask install java |
homebrew-cask / java.rb，位于4f5fe409889d844c91b35c03f0ea37932b5a818b·Homebrew / homebrew-cask·如果您查看GitHub，您会看到当时已安装OpenJDK 11.0.2 9。
1 2 3 4 5 6 7 | cask 'java' do version '11.0.2,9' sha256 'f365750d4be6111be8a62feda24e265d97536712bc51783162982b8ad96a70ee' url "https://download.java.net/java/GA/jdk#{version.major}/#{version.after_comma}/GPL/openjdk-#{version.before_comma}_osx-x64_bin.tar.gz" name 'OpenJDK' homepage 'https://jdk.java.net/' |
检查已安装的OpenJDK。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | $ java -version openjdk version "11.0.2" 2019-01-15 OpenJDK Runtime Environment 18.9 (build 11.0.2+9) OpenJDK 64-Bit Server VM 18.9 (build 11.0.2+9, mixed mode) $ javac -version javac 11.0.2 $ which java /usr/bin/java $ which javac /usr/bin/javac $ /usr/libexec/java_home -V Matching Java Virtual Machines (1): 11.0.2, x86_64: "OpenJDK 11.0.2" /Library/Java/JavaVirtualMachines/openjdk-11.0.2.jdk/Contents/Home /Library/Java/JavaVirtualMachines/openjdk-11.0.2.jdk/Contents/Home $ ls -l /usr/bin/java* lrwxr-xr-x 1 root wheel 74 10 16 18:48 /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java lrwxr-xr-x 1 root wheel 75 10 16 18:48 /usr/bin/javac -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/javac lrwxr-xr-x 1 root wheel 77 10 16 18:48 /usr/bin/javadoc -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/javadoc lrwxr-xr-x 1 root wheel 75 10 16 18:48 /usr/bin/javah -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/javah lrwxr-xr-x 1 root wheel 75 10 16 18:48 /usr/bin/javap -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/javap lrwxr-xr-x 1 root wheel 82 10 16 18:48 /usr/bin/javapackager -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/javapackager lrwxr-xr-x 1 root wheel 76 10 16 18:48 /usr/bin/javaws -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/javaws |