Install JDK 7 on centos 6.3

(1) download the jdk-7u7-linux-i586.rpm, link: Buy.

(2) Configure Environment Variables

VI/etc/profile

Press the I key to enter the insert mode, and add the following paragraph to the end of the file:

Export java_home =/usr/Java/jdk1.7.0 _ 07

Export classpath =.: $ java_home/JRE/lib/RT. jar: $ java_home/lib/dt. jar: $ java_home/lib/tools. Jar

Export Path = $ path: $ java_home/bin

Press ESC to exit insert mode and enter command mode. Then enter ": WQ" and press enter to exit.

(3) terminal input: Java-version, the following information is displayed:

Java version "1.7.0 _ 07"
Java (TM) se Runtime Environment (build 1.7.0 _ 07-b10)
Java hotspot (TM) Client VM (build 23.3-b01, mixed mode, sharing)

The installation is successful..