Linux centos 6.x Development Configuration documentation-JDK

Source: Internet
Author: User

1. Check the JDK in the current operating system:Rpm-Qa | grep Java(Or
Rpm-Qa | grep JDK) (Or
Rpm-Qa | grep gcj)

2. Delete the built-in JDK:Yum-y removeJava -*

3. Download JDK:Http://

4. decompress the package:Tar zxvf JDK -*

5. Mobile:MV jdk1.7.0 _ 03/*/home/JDK

6. Edit the system environment variables:Vim/etc/profile

7. Add the JDK path to the system environment variable:
Export java_home =/home/JDK
Export Path = $ path: $ java_home/bin
Export classpath =.: $ java_home/JRE/lib/RT. jar: $ java_home/lib/dt. jar: $ java_home/lib/tools. Jar

8. Verify JDK:Java-version/
Javac-version(Logout or restart after installation)

Method 2: (not recommended because binfile download is no longer available on the official website)
1, download: jdk-6u22-linux-i586-rpm.bin
2, installation: chmod 777 jdk-6u22-linux-i586-rpm.bin->./jdk-6u22-linux-i586-rpm.bin
3. Edit the system environment variable gedit/etc/profile.
Export java_home =/usr/Java/jdk1.6.0 _ 22
Export classpath = $ classpath: $ java_home/lib: $ java_home/JRE/lib
Export Path = $ java_home/bin: $ java_home/JRE/bin: $ path: $ homr/bin

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