![]() Note that for Ubuntu 64 you will have java-9-openjdk-amd64 sudo echo export JAVA_HOME="/usr/lib/jvm/java-9-openjdk-amd64" > ~/. Set JAVA_HOME 32b by sudo echo export JAVA_HOME="/usr/lib/jvm/java-9-openjdk-i386" > ~/.bashrc You can check which java is installed by: update-alternatives -config java Red Hat expects to deliver four updates per year, approximately three months apart, for the OpenJDK 11 and 17 distributions. In order to set JAVA_HOME add this line: JAVA_HOME="/usr/lib/jvm/java-9-openjdk-i386" All Red Hat distributions of OpenJDK are supported for development and production for all Java workloads, giving you the confidence to develop, test, and deploy in Windows or Linux-based environments. JAVA_HOME is vital for java programs and shows which version shoud be used. Lrwxrwxrwx 1 root root 23 javac -> /etc/alternatives/javac This is symbolic link put in the system path by Ubuntu for the JDK: lrwxrwxrwx 1 root root 22 java -> /etc/alternatives/java Installation of java can be tested by several commands: java -version Sudo dpkg -i -force-overwrite '/var/cache/apt/archives/openjdk-9-jdk_9~b114-0ubuntu1_b' openjdk-9-jdk_9~b114-0ubuntu1_b): sudo apt install openjdk-9-jdk other free Linux distributions, OpenJDK needed to be. Or by (the files could be different for you i.e. OpenJDK is the official reference implementation of Java SE since version 7. You can try to install by : sudo apt-get -o Dpkg::Options::="-force-overwrite" install openjdk-9-jdk var/cache/apt/archives/openjdk-9-jdk_9~b114-0ubuntu1_bĮ: Sub-process /usr/bin/dpkg returned an error code (1) Note you may face error like: Errors were encountered while processing: Install is done by this command: sudo apt-get install openjdk-9-jdk Oracle-java9-installer - Oracle Java(TM) Development Kit (JDK) 9 Oracle-java8-installer - Oracle Java(TM) Development Kit (JDK) 8 ![]() Oracle-java6-installer - Oracle Java(TM) Development Kit (JDK) 6 Oracle-java7-installer - Oracle Java(TM) Development Kit (JDK) 7 **openjdk-9-jdk - OpenJDK Development Kit (JDK)** Openjdk-9-doc - OpenJDK Development Kit (JDK) documentation ![]() Choose OpenJDK 9 version from the results:ĭefault-jdk - Standard Java or Java compatible Development Kitĭefault-jdk-doc - Standard Java or Java compatible Development Kit (documentatio ***.You can check for all available versions simply by: Update November 2019: The correct way to install Oracle JDK on Ubuntu Search available Openjdk packagesīy default Ubuntu / Linux Mint is using OpenJDK. ![]() You can check this video of installation of Java 9 on Ubuntu 16:
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