Installing OPENJDK 8

1.JDK 8 Example

(1.1) Debian, Ubuntu, etc. use the following installation commands:

sudo Install openjdk-8-jre

The PS:OPENJDK-8-JRE contains only the JRE, and if you need to develop a Java program, you need to download OPENJDK-8-JDK

(1.2) Fedora, Oracle Linux, Red Hat Enterprise Linux, etc. use the following commands:

su " Yum Install java-1.8.0-openjdk "

The PS:JAVA-1.8.0-OPENJDK contains only the JRE, and if you need to develop a Java program, you need to download Java-1.8.0-openjdk-devel

2. Versions of the JDK

Debian, Ubuntu and other versions of the JDK control

	Jre	Jdk
1.8	Openjdk-8-jre	Openjdk-8-jdk
1.7	Openjdk-7-jre	Openjdk-7-jdk
1.6	Openjdk-6-jre	Openjdk-6-jdk

Fedora, Oracle Linux, Red Hat Enterprise Linux, and other versions of the JDK control

	Jre	Jdk
1.8	Java-1.8.0-openjdk	Java-1.8.0-openjdk-devel
1.7	Java-1.7.0-openjdk	Java-1.7.0-openjdk-devel
1.6	Java-1.6.0-openjdk	Java-1.6.0-openjdk-devel

3. View the Java installation package

sudo grep Java

4. If you need to upgrade from 1.7 to 1.8, use the command

sudo rpm-e corresponds to OPENJDK package

After clearing the corresponding JDK, reinstall the new version of the JDK

5. Related information:

Official website: http://openjdk.java.net/install/

Installing OPENJDK 8