Shulou(Shulou.com)06/01 Report--

Check to see if your Ubuntu Linux operating system architecture is 32-bit or 64-bit, open up a terminal and run the following command below.

Uname-an or file / sbin/init

Linux caochu-Inspiron-N5110 3.13.0-32-generic # 57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86 "64 GNU/Linux

Check if you have Java installed on your system. To do this, you will have to run the Java version command from terminal.Type/Copy/Paste:java-versio

If you have OpenJDK installed on your system, you have the wrong vendor version of Java installed for this exercise.

Sudo apt-get purge openjdk-*Download the Oracle Java JDK for Linux.

Unpack the compressed Java binaries, in the directory / usr/local/java8

Scroll down to the end of the file using your arrow keys and add the following lines below to the end of your./etc/profile file: export JAVA_HOME=/usr/local/java8/jdk1.8.0_73 export JRE_HOME=$ {JAVA_HOME} / jre export CLASSPATH=.:$ {JAVA_HOME} / lib:$ {JRE_HOME} / lib export PATH=$ {JAVA_HOME} / bin:$PATH source / etc/profileConfigure default JDK version:

Sudo update-alternatives-install / usr/bin/java java / usr/local/java8/jdk1.8.0_73/bin/java 300

Sudo update-alternatives-install / usr/bin/javac javac / usr/local/java8/jdk1.8.0_73/bin/javac 300

Sudo update-alternatives-install / usr/bin/jar jar / usr/local/java8/jdk1.8.0_73/bin/jar 300

Sudo update-alternatives-install / usr/bin/javah javah / usr/local/java8/jdk1.8.0_73/bin/javah 300

Sudo update-alternatives-install / usr/bin/javap javap / usr/local/java8/jdk1.8.0_73/bin/javap 300

Sudo update-alternatives-config java

Testjava-version

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.