Suggested: If you are not using OpenJDK (open source implementation of java), you may remove it as: # yum remove openjdk-* Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode) Java(TM) SE Runtime Environment (build 9.0.4+11) Now You may verify the Java version again, to confirm. # export JRE_HOME=/opt/java/jdk-9.0.4/jre Similarly, update jar alternatives as: # update-alternatives -install /usr/bin/jar jar /opt/java/jdk-9.0.4/bin/jar 100Ĩ. Tell system to update javac alternatives as: # update-alternatives -install /usr/bin/javac javac /opt/java/jdk-9.0.4/bin/javac 100ħ.
# update-alternatives -install /usr/bin/java java /opt/java/jdk-9.0.4/bin/java 100Ħ. Next, move to the extracted directory and use command update-alternatives to tell system where java and its executables are installed. Once file has been downloaded, you may extract the tarball using tar command as shown below. # wget -no-cookies -no-check-certificate -header "Cookie: oraclelicense=accept-securebackup-cookie" Ĥ. jdk-9.0.4_linux-圆4_Īlternatively, you may use wget command to download file directly into the /opt/java directory as shown below. Now it’s time to download Java (JDK) 9 source tarball files for your system architecture by going to official Java download page.įor reference, we have provided the source tarball file-name, please select and download these below mentioned file only. For global access (for all users) install it preferably in the directory /opt/java. Make a directory where you want to install Java. It’s clear from the output above that the installed version of Java is OpenJDK 1.7.0_75.Ģ.
OpenJDK 64-Bit Server VM (build 24.75-b04, mixed mode) Before installing Java, make sure to first verify the version of installed Java. Latest stable release of Java version is 9.0.4. OpenJDK is an open source implementation of Java application. There are more than one version of Java can be installed and running on same computer and also it’s possible to have different version of JDK and JRE simultaneously on a machine, actually there are abundant of applications that requires Java-jre ( Java Runtime Environment) and those who are developer required Java-sdk ( Software Development Kit).Ī lots of Linux distribution comes with other version of Java called OpenJDK (not the one developed by Sun Microsystems and acquired by Oracle Corporation). Today, Java is everywhere, from desktops to data-centers, game consoles to scientific computers, mobile phones to the Internet, etc… Java platform is used by millions of applications and websites (specially used in banking sites) due to its fast, secure and reliable nature.
Java is a collection of software better known for it’s cross platform availability was developed by Sun Microsystems in 1995.
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