Installing java 2 runtime
In this case, you would need Oracle JDK Then visit the Downloads page and locate the version that matches the one you need. Click the. Select the checkbox to accept the license agreement and press the Download button. Your download will begin. You may need to log in to your Oracle account one more time before the download starts.
On your local machine, upload the file to your server. On macOS, Linux, or Windows using the Windows Subsystem for Linux , use the scp command to transfer the file to the home directory of your sammy user.
Install the software-properties-common package, which adds the add-apt-repository command to your system:. Then use the add-apt-repository command to add the repo to your list of package sources:. You may see a message about no valid OpenPGP data found , but you can safely ignore this. Create this directory and move the Oracle JDK archive there:. The installer will first ask you to accept the Oracle license agreement.
Accept the agreement, then the installer will extract the Java package and install it. You can have multiple Java installations on one server. You can configure which version is the default for use on the command line by using the update-alternatives command. Choose the number associated with the Java version to use it as the default, or press ENTER to leave the current settings in place.
Other commands for which this command can be run include, but are not limited to: keytool , javadoc and jarsigner.
To set this environment variable, first determine where Java is installed. Use the update-alternatives command:. Copy the path from your preferred installation. In this tutorial you installed multiple versions of Java and learned how to manage them.
I manage the Write for DOnations program, write and edit community articles, and make things on the Internet. Where would you like to share this to? Twitter Reddit Hacker News Facebook. Under Java Platform, Standard Edition, select either the current release, or click Previous Releases to install an earlier supported version. After installing the JRE, run the following test to verify the version of Java that is recognized by the system.
On the keyboard, press the Win Windows key and the R key simultaneously to open the Run box. Alternatively, you can select Start , then Run. In the Run box, type cmd to run the Windows command console.
Click the Advanced tab, and then click Environment Variables. This opens a dialog box to edit this variable. Under System Variables , double click the Path variable to open it for editing.
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