Summary of configuration jdk1.7 under Linux

Installing the Java environment under Linux

First choose 32-bit or 64-bit jdk,i586 corresponding to 32-bit according to your Linux system, x64 corresponds to 64 bits.

The format of the jdk1.7 installed here is the rpm file

Installation steps

1 Add executable permissions, command as follows

chmod 777 JDK File

2 installation

RPM-IVH JDK Files

Installed by default under the/usr/java path

3 Configuration of environment variables

Increase under/etc/profile

#set Java enviroment

java_home=/usr/java/jdk1.7

Path= $JAVA _home/bin: $PATH

Classpath=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jar

Export Java_home

Export PATH

Export CLASSPATH

4 test configuration is successful

Execute the following command

Echo $JAVA _home

Echo $PATH

Echo $CLASSPATH

5 notes:

If you have previously installed the JDK on your system, you must first uninstall

See if the JDK has a command installed

Rpm-qa|grep JDK

Uninstall command

RPM-E--nodeps JDK file name

This article is from the "Venus Blog" blog, be sure to keep this source http://10678423.blog.51cto.com/10668423/1690230

Summary of configuration jdk1.7 under Linux