Configure the jdk development platform in Linux

Linux configuration jdk development platform-general Linux technology-Linux technology and application information, the following is a detailed description. 1. Install jdk
1. Download and install jdk
(1) first, find the jdk to download in the http://java.sun.com, download your own jdk version. I am using JDK 6 here and get a file named jdk-6u6-linux-i586-rpm.bin. This file is currently not running shell script.
(2) Change permissions and extract the jdk installation file:
Open the terminal and run: # chmod a + x
Jdk-6u6-linux-i586-rpm.bin
#./Jdk-6u6-linux-i586-rpm.bin
After entering yes as prompted, jdk is decompressed to The./j2sdk1.4.2 _ 04 directory.
(3) create a java installation path:

# Mkdir/usr/java
(4) installation files

# Rpm-ivh jdk-6u6-linux-i586-rpm
The installation software automatically installs JDK under the/usr/java/directory.

2. Configure Environment Variables
(1) open a file :#
Vi
/Etc/profile
Add the following to the file:
Export
JAVA_HOME =/usr/java/jdk1.6.0 _ 06
Export
PATH = $ JAVA_HOME/bin: $ PATH
Export
CLASSPATH =.: JAVA_HOME/lib/dt. jar: $ JAVA_HOME/lib/tools. jar
(2) log out again, and then open the terminal and enter: # echo $ JAVA_HOME

# Javac


# Java

# Java? Version
The version information is correct.
Now we can write a helloworld command to test whether jdk is installed!
# Vi HelloWord. java