Ubuntu Install Java JDK environment variable settings

1, the official website download jdk.tar.gz package, after decompression is installs the JDK

2, enter the [email protected]:~/android/jdk1.8.0_11/bin directory, you can see Java and other programs

Enter java-version hint

The program ' Java ' Can is found in the following packages:
* DEFAULT-JRE
* Gcj-4.6-jre-headless
* Openjdk-6-jre-headless
* Gcj-4.5-jre-headless
* Openjdk-7-jre-headless
Try:sudo apt-get Install <selected package>

This means that the environment variable is not set and the Java command cannot be found if the input./java-version is correct.

3. Add Environment variables

The path to the Bin folder of the JDK is seen through the PWD command/home/cjh/android/jdk1.8.0_11/bin

By Export path= $PATH:/home/cjh/android/jdk1.8.0_11/bin

After adding, Echo $PATH command to see if the add succeeded

Java-version can get the right results in any position.

• Classpath configuration
• CLASSPATH and path differences see the http://blog.csdn.net/mydreamongo/article/details/8155408

The above is only configured with path, and it needs to be configured Classth

Export classpath=.:/ Home/cjh/android/jdk1.8.0_11/jre/lib

Execution Configuration Complete


java.sh Configuration
Because after the reboot, it will be restored, the following also need to configure the java.sh
This can be done by
Cd/etc/profile.d
VI java.sh
Put the following two lines into the java.sh
Export path= $PATH:/home/cjh/android/jdk1.8.0_11/bin

Export classpath=.:/ Home/cjh/android/jdk1.8.0_11/jre/lib

Save. This will be configured.

Ubuntu Install Java JDK environment variable settings