Installing OpenJDK 7:įor the installation of OpenJDK 7, the same tool “apt-get” is used. The following steps are optional and will be used just when you need them. The giving instructions are the most important to install Java. So if you don’t have it, you can make the installation using the following command: sudo apt-get install default-jdk It is important to know that the compilation of Java applications needs to have already a JDE installed. For that we will use the following command: sudo apt-get install default-jreĮxecuting this command will enable you to install Java Runtime Environment (JRE). If the response of the execution of the previous command shows that “the program java can be found in the following packages” that is mean that you can start the installation of your tool. Then we will check if there is already an installation of Java using: java -version Firstly, we will update the package index using the following command: The installation of Java will be with the “apt-get” command. OpenJDK 6 will be installed on Ubunto 12.04 and OpenJDK 7 will be installed on Ubunto 12.10+. Now we will give you the instructions to install the easiest option. Oracle Java: Oracle Java is the official JDK Java Se Platform version 7 implementation from Oracle.Currently, there are two versions available, openjdk-6 and openjdk-7. This is the default version of Java that is provided from a supported Ubuntu repository.

OpenJDK: The OpenJDK project is an open-source implementation of the Java SE Platform.OpenJREis the official implementation of Java Runtime Environment (JRE) for your Ubuntu systems and should suffice to run any Java program that you might require.

When we talk about java three implementations are common: But before we start let’s review the several implementations of Java. On this article we will try to guide you how to install and manage different versions of Java. Today, many programs require to have Java installed. Java becomes the best Internet development standard for enterprise Web application development.

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