Linux installation JDK

Version 1.6

http://download.csdn.net/download/javahr/7291125

First, installation

Jdk-6u45-linux-x64.bin files are self-extracting files that are installed on Linux as follows,

1. Assigning Permissions

chmod 755 Jdk-6u45-linux-x64.bin First (4 readable +2 writable +1 executable =) 7 is the owner's permission, the second 5 represents the permissions of the group member, and the third 5 represents the permissions of the other groups.

2. Create the installation directory, set the installation path under/APP/JAVA/JDK, and copy the file to the path:

Return to root directory CD/Enter/APPCD app to create/app/javamkdir Java into/APP/JAVACD./java Create jdk directory mkdir jdk into/APP/JAVA/JDKCD./jdk

3. Use the MV command to cut the file.
If you need to cut the jdk-7u79-linux-x64.tar.gz file in the/tmp directory into the/USR/JAVA/JDK directory, execute the following command:

Mv/tmp/jdk-6u45-linux-x64.bin  /USR/JAVA/JDK

4. Unzip

./jdk-6u11-linux-i586.bin (Note that this step must be in the directory where Jdk-6u11-linux-i586.bin is located)

Second, the configuration

1. Open/ETC/PROFILE.D File

Vi/etc/profile

　　

2. Configure Environment variables

Export Java_home=/app/java/jdk/jdk1.6.0_45export java_bin=/app/java/jdk/jdk1.6.0_45/binexport PATH= $PATH: $JAVA _ Home/binexport classpath=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jarexport java_home java_bin PATH CLASSPATH

3, let/etc/profile file changes immediately after the effective, you can use the following command:

. /etc/profile Note:. and/etc/profile have spaces.

be sure to log off (or restart your computer) before testing for configuration success

4, testing,

1), check the Java version

Java-version

Output

Java version "jdk1.6.0_02" Java (tm) 2 Runtime environment, Standard Edition (build jdk1.6.0_02) Java HotSpot (tm) Client VM (Build jdk1.6.0_02, Mixed mode)

2), write a Java class test

Create a Hello.java file

VI Hello.java

Writing Java Classes

public class Hello {public static void main (String args []) {System.out.println ("Hello world!");}}

Compile

Javac Hello.java

Run

Java Hello

Output

Hello world!

If the operation succeeds, prove that you have successfully installed!

　　 Thanks: Thank you for your patience and reading!

Linux installation JDK