Java is a widely-used programming language that is useful for both developers and ordinary users who need to open Java-based applications or websites. Ubuntu is a popular open-source operating system that is used by millions of people around the world. If you want to use Java on your Ubuntu system, you will need to install it. In this article, we will discuss how to install Java on Ubuntu and how to remove it when you’re done.

Installing Java on Ubuntu

There are several ways to install Java on Ubuntu, but the easiest method is to use the Terminal. Here are the steps to install Java on Ubuntu using the Terminal:

Step 1: Open Terminal

The first step is to open the Terminal on your Ubuntu system. You can do this by using the keyboard shortcut “Ctrl+Alt+T” or by searching for “Terminal” in the Activities Overview.

Step 2: Add Java Repository

Next, you need to add the Java repository to your system. Enter the following command in the Terminal:

sudo add-apt-repository ppa:webupd8team/java

You will be prompted to enter your password. After entering your password, press “Enter” to continue.

Step 3: Update Package List

Now, you need to update the package list on your Ubuntu system. Enter the following command in the Terminal:

sudo apt-get update

This command will fetch the latest package list from the added repository.

Step 4: Install Java

Finally, you need to install the Java package on your Ubuntu system. Enter the following command in the Terminal:

sudo apt-get install oracle-java8-installer

This command will download and install Java on your Ubuntu system. You will be prompted to accept the license agreement during the installation process. After accepting the license agreement, Java will be installed on your Ubuntu system.

Removing Java from Ubuntu

If you no longer need Java on your Ubuntu system, you can remove it easily using the Terminal. Here are the steps to remove Java from Ubuntu using the Terminal:

Step 1: Open Terminal

The first step is to open the Terminal on your Ubuntu system. You can do this by using the keyboard shortcut “Ctrl+Alt+T” or by searching for “Terminal” in the Activities Overview.

Step 2: Remove Java Package

Next, you need to remove the Java package from your Ubuntu system. Enter the following command in the Terminal:

sudo apt-get remove oracle-java8-installer

This command will remove the Java package from your Ubuntu system.

Step 3: Remove Java Repository

Finally, you need to remove the Java repository from your Ubuntu system. Enter the following command in the Terminal:

sudo add-apt-repository –remove ppa:webupd8team/java

This command will remove the Java repository from your Ubuntu system.