Build a JDK environment using CentOS

Build a JDK environment using CentOS

CentOS 7.0 & jdk1.8.0 _ 45

1. Upload the downloaded jdk package to the centos operating system through ssh.

Here is jdk-8u45-linux-x64.tar.gz download link: http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

2. decompress the package

tar -vxzf jdk-8u45-linux-x64.tar.gz

Obtain the jdk1.8.0 _ 45 folder, as shown in.
3. Edit System Environment Variables

vim /etc/profile

Add the following at the end of the file:

Export JAVA_HOME =/root/jdk1.8.0 _ 45 // you can change the export PATH according to the position of your jdk package. export PATH = $ JAVA_HOME/bin: $ PATH

4. execute commands. /etc/profile
Note: there is a space between. And /.
If the current directory is in/etc/, you can directly execute./profile. Here, there is no space between. And /.
5. Inputjava -versionTest

The above words are displayed, indicating that the configuration is successful!

 

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