Shulou(Shulou.com)06/02 Report--

1. Download jdk

Https://www.oracle.com/technetwork/cn/java/archive-139210-zhs.html

two。 Create a jdk installation directory

Cd / usr/local

Mkdir java

3. Upload the downloaded jdk package to the / usr/local/java directory

4. Decompression

Tar-zxvf jdk-8u161-linux-x64.tar.gz

5. Configure environment variables

Open the configuration file

Vi / etc/profile

Add the following configuration at the end of the configuration file

JAVA_HOME=/usr/java/, your jdk version.

JRE_HOME=/usr/java your jdk version / jre

PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin

CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib

Export JAVA_HOME JRE_HOME PATH CLASSPATH

Let the configuration file take effect

Source / etc/profile

6. View installation results

View java version

Java-version

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