This article mainly introduces you in detailLinuxThe second part of learning, Java environmentInstallationConfiguration tutorial, has certain reference value, interested Friends can refer to
This tutorial shares the Java environment installation configuration for your reference. The specific content is as follows
jdk version: jdk-8u131-linux-x64.rpm
Note: The following operations must be performed under the root user or a user with root permissions
1. Copy dk-8u131-linux-x64.rpm to the /home directory
cp jdk-8u131-linux-x64.rpm /home/
2. Unzip the rpm file
rpm -ivh jdk-8u131-linux-x64.rpm
3. EnvironmentConfiguration of variables
Note: The configuration of environment variables is a little more troublesome, but it is not particularly difficult.
1. Enter the following command to enter the configuration file
vim /etc/profile
2. After entering the configuration file, it is uneditable status . If you want to edit data, first enter 'i', the word insert will be displayed below, and you can insert it. Just add the following code to the configuration file (remember to change the path to your own installation path).
JAVA_HOME=/usr/java/jdk1.8.0_131 CLASSPATH=.:/usr/java/jdk1.8.0_131/jre/lib/rt,jar PATH=$PATH/usr/java/jdk1.8.0_131 ecport PATH CLASSPATH JAVA_HOME
3. After inserting, press 'esc', which will switch to the non-insertable state. Then enter ':wq' to save and exit.
4. Enter javac to check whether the configuration is successful
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