How do I completely remove OpenJDK from Ubuntu?

How do I completely remove OpenJDK from Ubuntu? 

  1. use sudo apt-get purge openjdk-* icedtea-* icedtea6-* , be careful. – S.D. Jun 17, 2013 at 5:27.
  2. @S.D. Or using apt-get purge openjdk* – Deming. Dec 20, 2018 at 7:49.

How do I uninstall OpenJDK? 

  1. Download the MSI-based installer of OpenJDK 11 for Windows.
  2. Run the installer for OpenJDK 11 for Windows.
  3. Click Next on the welcome screen.
  4. Check I accept the terms in license agreement , then click Next .
  5. Click Next .
  6. Accept the defaults or review the optional properties.
  7. Click Install .

How do I uninstall Java from Ubuntu terminal? 

Open up the terminal on Ubuntu. Get the JDK package name using dpkg and grep.

Remove Java from Ubuntu

  1. Launch the terminal using Ctrl + Alt + T.
  2. Issue the following command to remove Java from your system. sudo apt remove default-jdk default-jre.
  3. Confirm the uninstallation process by typing y.

How do I remove OpenJDK from Ubuntu and install Oracle JDK? 

remove-openjdk-and-install-oracle-jdk on ubuntu
  1. Step-1: Download oracle JDK.
  2. Step-2: Remove existing openjdk.
  3. Step-3: Create directory for java installation.
  4. Step-4: Copy & unzip to the install directory.
  5. Step-5: Setup path in bashrc.
  6. Step-6: Update alternatives for run time.
  7. Step-7: Update alternatives for jdk.

How do I completely remove OpenJDK from Ubuntu? – Additional Questions

How do I uninstall Java 11 on Ubuntu?

“uninstall java 11 ubuntu” Code Answer’s
  1. #If you want to remove Openjdk only, execute the following command on terminal:
  2. sudo apt-get remove openjdk*
  3. #If you want to remove Openjdk along with dependencies, execute the following command on terminal:
  4. sudo apt-get remove –auto-remove openjdk*

How do I install Java 11 on Ubuntu?

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 download Oracle Java on Ubuntu?

Installing Oracle JRE or JDK 8 on Debian or Ubuntu Systems
  1. Check which version of the JDK your system is using:
  2. If necessary, go to Oracle Java SE Downloads, accept the license agreement, and download the installer for your distribution.
  3. Make a directory for the JDK:
  4. Extract the tarball and install the JDK:

How do I install Java on Ubuntu?

How to install Java on Ubuntu
  1. Verify that you have not already installed Java.
  2. Issue the sudo apt update command.
  3. Install Ubuntu’s default JDK with apt.
  4. Run Java on the command line to test the install.
  5. Set JAVA_HOME globally for all Ubuntu users.

How do I install Java on Linux?

To install the 64-bit JDK on a Linux platform:
  1. Download the file, jdk-10. interim. update.
  2. Change the directory to the location where you want to install the JDK, then move the . tar. gz archive binary to the current directory.
  3. Unpack the tarball and install the JDK: $ tar zxvf jdk-10.
  4. Delete the . tar.

How do I remove openJDK from my Mac?

Just go to your Library -> Java -> JavaVirtualMachines and there it will be the JDK and openJDK folders, just move the openJDK folder to the trash and it will go back to the original JDK, when you type in your terminal java -version you’ll see.

How do I uninstall Java on Linux?

RPM uninstall
  1. Open Terminal Window.
  2. Login as the super user.
  3. Try to find jre package by typing: rpm -qa.
  4. If RPM reports a package similar to jre- -fcs then Java is installed with RPM.
  5. To uninstall Java, type: rpm -e jre- -fcs.

How do I completely remove Java?

Click Start, point to Settings, and then click the Control Panel. In the Control Panel, double-click the Add/Remove Programs. On the Install/Uninstall tab, click the Java version you want to uninstall, and then click Add/Remove. When you are prompted to continue with the Uninstall, click Yes.

Is OpenJDK the same as JDK?

So, Is OpenJDK the Same As Oracle JDK? OpenJDK has the same code as OracleJDK, depending on what provider you’re using. The key difference (as stated above) is that OpenJDK is an open source java development kit, whereas Oracle JDK is closed source.

How do I know if OpenJDK is installed on Ubuntu?

To check the Java version on Linux Ubuntu/Debian/CentOS:
  1. Open a terminal window.
  2. Run the following command: java -version.
  3. The output should display the version of the Java package installed on your system. In the example below, OpenJDK version 11 is installed.

How do I disable OpenJDK platform binary?

Press Windows key + R to open up a Run box. Next, type “msconfig” and hit Enter to open the System Configuration menu. Inside the System Configuration window, navigate to the Services tab and click the Disable all button. Then, hit Apply to save the changes.

What is OpenJDK used for?

OpenJDK is an open source implementation of the Java Standard Edition (Java SE) and Java Development Kit (JDK). The OpenJDK source code is the basis for these commercial Java products.

What is OpenJDK Linux?

OpenJDK is a free, open-source version of the Java Development Kit for the Java Platform, Standard Edition (Java SE). OpenJDK, which stands for Open Java Development Kit, originated from an effort initiated by Sun Microsystems in 2006 and is now sponsored and led by Oracle.

Is OpenJDK safe?

OpenJDK is regularly updated for security vulnerabilities. The difference between OpenJDK and Oracle’s JDK is that older versions of OpenJDK isn’t updated (by Oracle) for vulnerabilities. It is necessary to upgrade to the latest version of OpenJDK to keep up-to-date with patches and fixes.

Where does OpenJDK install to?

Install OpenJDK 11
  1. Go to AdoptOpenJDK 11 (LTS).
  2. Select the HotSpot implementation for Windows x64 and download the JDK .
  3. Extract the downloaded zip file into, for example, C:Program FilesJava.
  4. Set the System Variables:
  5. (Optional) Configure the JDK in your Eclipse, IntelliJ or whatever IDE you develop in.

Which OpenJDK should I use?

Conclusion. If you’re just getting your feet wet with Java then installing either Java SE 8 or Java SE 11 is your best bet. While other editions like EE add extra functionality, the SE has all of the essential libraries you need.

What is the current version of OpenJDK?

OpenJDK is the official reference implementation of Java SE since version 7.


Developer(s) Oracle, OpenJDK and Java Community, Red Hat, Azul Systems, IBM, Microsoft, Amazon, Apple, SAP
Initial release May 8, 2007
Stable release 18 / 22 March 2022
Written in C++ and Java