UBUNTU14 environment, download through Apt-get oracle-java8

1, installation jdk1.8(1) Download oracle-java8 via Apt-get, first of all,Add a PPA source, equivalent to adding a software warehouse

sudo add-apt-repository Ppa:webupd8team/java

sudo apt-get Update

sudo apt-get Install Oracle-java8-installer

Installed by default under/USR/LIB/JVM

 # if it is root, you do not need to add sudo or error

The post-installation directory is as follows:

 (2)after the installation is complete, set the environment variableinput vim ~/.BASHRC,add at the end of the file

Export Java_home=/usr/lib/jvm/java-8-oracle Export Jre_home=${java_home}/jre Export Classpath=.:${java_home}/lib:${jre_home}/lib

Export Path=${java_home}/bin: $PATH

#vim使用方式 : You need to press "I" to switch to insert mode, press "ESC" to exit the insert mode, edit, press ":", and enter Wq, return. Save the environment variable, exit the editor, enter the command to make it valid source ~/.BASHRC , enter env command to see if the settings are successful ( note the corresponding user ) (3) Java-version View the version of Java installed


Installation Complete!!!

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UBUNTU14 environment, download through Apt-get oracle-java8