Methods of installation and configuration in Java environment
This article mainly introduces "the method of installation and configuration of Java environment". In the daily operation, I believe that many people have doubts about the method of installation and configuration of Java environment. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "method of installation and configuration of Java environment". Next, please follow the editor to study!
Jdk version: jdk-8u131-linux-x64.rpm
Note: the following actions are performed under root users or users with root permissions
Copy dk-8u131-linux-x64.rpm to the / home directory
Cp jdk-8u131-linux-x64.rpm / home/
2. Extract the rpm file
Rpm-ivh jdk-8u131-linux-x64.rpm
III. Configuration of environmental 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
two。 After entering the configuration file, it is not editable at this time. If you want to edit the data, type 'insert' first, and the word 'ifold' 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_131classpath=.:/usr/java/jdk1.8.0_131/jre/lib/rt,jarpath=$path/usr/java/jdk1.8.0_131ecport path classpath java_home
3. After insertion, press' esc','to switch to the non-pluggable state at this time, and then save and exit in the input': wq'.
4. Enter javac to check whether the configuration is successful.
At this point, the study on "the method of installation and configuration of Java environment" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!
