OpenJDK is the free and open-source implementation of the Oracle Java Standard Edition (Java SE) Development Kit. This guide will show you how to install the Open Java Development Kit (OpenJDK) 11 on Ubuntu 18.04. Software written in Java can be compiled and run on any system, making Java a versatile platform that can be used to create anything from software to basic web applications. It’s a fun and engaging way to learn Java.Īny questions or suggestions are always welcomed.Java is one of the world’s most popular programming languages. I suggest trying the interactive Java Tutorial by CodeGym. Now that you learned to install Java on Ubuntu, you may want to improve your Java skills. Sudo apt install oracle-java8-set-default-local Similarly, if you want to install Java 16 and set it as default, use the following command: sudo apt install oracle-java16-installer-local It will change the default Java version to Oracle Java 11, setting it in the JAVA_HOME variable and PATH variables. If you want to use this recently installed Oracle Java 11 as the default Java version on your system, use the following command: sudo apt install oracle-java11-set-default-local If you want to install Java 11 and set it as default, use the following command: sudo apt install oracle-java11-installer-local So make sure you have good internet speed: sudo add-apt-repository ppa:linuxuprising/java Just a heads up, it will download plenty of files. Use the following commands to install Oracle JDK in Ubuntu and Linux Mint. Install Oracle JDK in Ubuntu and Linux Mint If you are specifically looking to install Java 8, Java 7 or Java 6 etc, you can use openjdk-8- jdk, openjdk-7- jdk/ openjdk-6- jdk. In a terminal, use the following command to install OpenJDK Java Development Kit: sudo apt install default-jdk It contains the Java Compiler (javac) package. Install OpenJDK in Ubuntu and Linux Mint (for compiling and running Java programs)Īs mentioned previously, if you want to compile and run Java programs on Ubuntu, you need the JDK. But if you want to install a specific version, you can use openjdk-8-jre, openjdk-7-jre/openjdk-6-jre instead of default-jre in the above command. This will install the latest JRE available from Ubuntu. Open terminal and use the following command to install JRE: sudo apt install default-jre As an end user, you just want to use Java application and for that, you’ll need JRE. Jar files are basically precompiled Java files. JRE is required for running Jar files on Ubuntu. Install JRE in Ubuntu and Linux Mint (for running Jar applications) Once we have see the difference between various types of ‘Java’, let’s see how to install them. Once you do that, it’s time to see how to install these packages and get Java on your Ubuntu Linux. Now that you know the difference between JRE, JDK, OpenJDK and Oracle JDK, you should make a decision to install one of these packages. While OpenJDK is sufficient for most of the cases, some programs such Android Studio suggests using Oracle JDK to avoid UI/performance issue.
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