How do I change Openjdk 11 to 8?

Best Answer

1. You have to install the openjdk-8-jre : sudo apt-get install openjdk-8-jre.
2. Next switch to the jre-8 version: $ sudo update-alternatives –config java There are 2 choices for the alternative java (providing /usr/bin/java).

How do I change java to 8 Linux?

Choose your default Java Version. sudo update-java-alternatives -s $(sudo update-java-alternatives -l | grep 8 | cut -d ” ” -f1) || echo ‘. ‘ It will automatically fetch any java 8 version available and set it using the command update-java-alternatives .

How do I change Openjdk version?

To switch between installed java versions, use the update-java-alternatives command. where /path/to/java/version is one of those listed by the previous command (e.g. /usr/lib/jvm/java-7-openjdk-amd64 ).

How do I point a different version of Java in Linux?

Procedure

1. Download or save the appropriate JDK version for Linux.
2. Extract the compressed file to the required location.
3. Set JAVA_HOME using the syntax export JAVA_HOME= path to JDK .
4. Set PATH using the syntax export PATH=${PATH}: path to the JDK bin .
5. Verify the settings using the following commands:

How do I change my current version of Java?

Enable the latest installed version of Java in the Java Control Panel

1. In the Java Control Panel, click on the Java tab.
2. Click View to display the Java Runtime Environment Settings.
3. Verify that the latest Java Runtime version is enabled by checking the Enabled box.
4. Click OK to save settings.

How do I change which Java version is installed?

In the Java Control Panel, click on the Java tab. Verify that the latest Java Runtime version is enabled by checking the Enabled box. Click OK in Java Control Panel window to confirm changes and close the window. Try to run same applet and verify it is now running using latest version of Java installed in your system.

How do I make Java 11 default in Linux?

Installing the Default OpenJDK (Java 11)

1. First, update the apt package index with: sudo apt update.
2. Once the package index is updated install the default Java OpenJDK package with: sudo apt install default-jdk.
3. Verify the installation, by running the following command which will print the Java version: java -version.

How do I change my Java version?

How can I use Java 11 and Java 8?

How to run Java 11 and Java 8 on the same machine

1. Install both/all versions of Java you will want to use – for this tutorial it will be just 8 & 11.
2. Make sure there is no “default” version – we don’t want “any” version running by default.
3. Set the appropriate envronment variables to start Java 8 or Java 11.

How do I update Java 11 on Linux?

Installing the 64-Bit JDK 11 on Linux Platforms

1. Download the required file: For Linux x64 systems: jdk-11. interim.
2. Change the directory to the location where you want to install the JDK, then move the . tar.
3. Unpack the tarball and install the downloaded JDK: $ tar zxvf jdk-11.
4. Delete the . tar.