![]() Moreover, the non LTS versions of Java are bringing a steady stream of innovation into the language, and also see some adoption. Nowadays, Java 11 is the current Long Term Support (LTS) version, but Java 8 is still widely used. With new versions of Java released every 6 months, there are multiple versions available for use. ![]() We can easily remove the oracle by running the below commands.Previous step Next step 2. $ sudo apt-get install oracle-java6-set-default $ sudo apt-get install oracle-java7-set-default $ sudo apt-get install oracle-java8-set-default $ sudo apt-get install oracle-java9-set-default To automatically set up the Oracle Java environment variables based on your version, Simply run the below commands. $ sudo update-java-alternatives -s java-7-oracle ![]() $ sudo update-java-alternatives -s java-8-oracle $ sudo update-java-alternatives -s java-9-oracle Say for example, you have already installed Oracle JAVA 6 and you want to switch other Oracle JAVA version such as Oracle JAVA 7, Oracle JAVA 8 & Oracle JAVA 9 you can easily switch using the below commands but make sure all the Oracle packages should have installed on your system. $ echo oracle-java6-installer shared/accepted-oracle-license-v1-1 select true | sudo /usr/bin/debconf-set-selectionsģ) Switching between Oracle Java versions ![]() $ echo oracle-java7-installer shared/accepted-oracle-license-v1-1 select true | sudo /usr/bin/debconf-set-selections $ echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | sudo /usr/bin/debconf-set-selections $ echo oracle-java9-installer shared/accepted-oracle-license-v1-1 select true | sudo /usr/bin/debconf-set-selections To install any of the Oracle product, we should accept the license agreement before proceeding the product installation, The Wepupd8 team created the script to automatically accept the Oracle license by running below command. $ sudo apt-get install oracle-java6-installer $ sudo apt-get install oracle-java7-installer $ sudo apt-get install oracle-java8-installer $ sudo apt-get install oracle-java9-installer $ sudo add-apt-repository ppa:webupd8team/java We can easily install Oracle JAVA 6, Oracle JAVA 7, Oracle JAVA 8, Oracle JAVA 9 to Ubuntu & Mint systems via Webupd8 PPA. So whenever Oracle will release the update, you can simple upgrade via package manager. The Wepupd8 team didn’t add any binary for Oracle JAVA installation and they made a script to download the Oracle JAVA from Oracle website and install it straight away. Don’t install Oracle JAVA 9 in production environment because it may contain bugs and it might not include the latest security patches. Oracle JAVA 9 not yet released officially but we can install via PPA. It includes tools for JVM monitoring and tools commonly required for server applications. JRE stands for (Java Runtime Environment) which deploys Java applications on servers. JDK stands for (Java Development Kit) which helps developers for developing, debugging, and monitoring Java applications. JAVA comes with two packages (JDK & JRE). JAVA is mandatory to run certain applications in Linux and windows machine. Oracle JAVA series (Oracle JAVA 6, Oracle JAVA 7, Oracle JAVA 8, Oracle JAVA 9) installation quit easy for Ubuntu/Mint system via Wepupd8 PPA.
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