How to Install Java 8 on Ubuntu Server

Get Java 8 on Ubuntu Server in Minutes!

Greetings, fellow Ubuntu users! If you’re new to the Linux world or just want to install Java 8 on your Ubuntu server, you’ve come to the right place. In this tutorial, we will be exploring the best way to get Java 8 up and running in no time on your Ubuntu server. Let’s go!

Introduction

Before we begin with the installation process, let’s take a closer look at the importance of Java 8 and its significance to Ubuntu servers. Java is an essential programming language that has several applications. It is used for creating, testing, and running applications that are used on several devices. Java 8 is an advanced version of Java SE that has several features and advantages over the previous versions.

Ubuntu is a popular operating system that is used in many servers worldwide. It is known for its security and stability. Installing Java 8 on Ubuntu is crucial for developers who want to build and deploy applications on Ubuntu servers.

Now that we understand the basics of Java 8 and Ubuntu servers, let’s dive into the installation process.

Step 1: Update the Server

Before installing Java 8 on your Ubuntu server, it is important to update the server first. This will ensure that you have the latest packages that your server needs to run efficiently. To update the server, run the following command:

Command
Description

sudo apt-get update

Updates the package list on the server.

sudo apt-get upgrade

Upgrades the packages on the server.

sudo apt-get dist-upgrade

Upgrades the distribution on the server.

Step 2: Add the Java 8 Repository

After updating the server, the next step is to add the Java 8 repository. To do this, run the following command:

sudo add-apt-repository ppa:webupd8team/java

Once you run this command, you will be prompted to press Enter to confirm the addition of the repository.

Step 3: Update the Package List

Now that you have added the Java 8 repository, it is important to update the package list to include the new repository. To do this, run the following command:

sudo apt-get update

This command will update the package list and include the new repository.

Step 4: Install Java 8

Finally, it’s time to install Java 8 on your Ubuntu server. To do this, run the following command:

sudo apt-get install oracle-java8-installer

This command will install Java 8 on your Ubuntu server. During the installation process, you will be prompted to accept the Oracle license agreement. Press Enter to accept the agreement and continue with the installation.

Step 5: Verify the Installation

After installing Java 8, it is important to verify that the installation was successful. To do this, run the following command:

java -version

This command will display the version of Java that is installed on your server. If it shows Java 8, then the installation was successful.

Advantages and Disadvantages of Java 8 on Ubuntu Server

Now that you have Java 8 up and running on your Ubuntu server let’s take a closer look at its advantages and disadvantages.

Advantages

1. Improved Security: Java 8 comes with several security features that make it more secure than the previous versions. This includes a new sandbox called “Nashorn” that provides better protection against malicious code.

2. Better Performance: Java 8 has several performance improvements that make it faster and more efficient than the previous versions. This includes the use of Lambda expressions and the new “Stream API.”

3. Enhanced User Experience: Java 8 has several features that improve the user experience. This includes the use of a new graphics engine and the ability to run JavaFX applications on mobile devices.

Disadvantages

1. Compatibility: Java 8 may not be compatible with some older applications that were designed to run on older versions of Java.

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2. Resource Intensive: Java 8 is more resource-intensive than the previous versions, which means that it may require more memory and processing power.

3. Complexity: Java 8 is more complex than the previous versions, which means that it may require more time and effort to learn and master.

FAQs

What is Java?

Java is a programming language that is used to create applications that run on multiple platforms. It was developed by Sun Microsystems and is now owned by Oracle Corporation.

What is Ubuntu Server?

Ubuntu Server is a variant of the Ubuntu operating system that is designed to run on server hardware. It is known for its security and stability and is used by many organizations worldwide.

What is Java 8?

Java 8 is an advanced version of the Java SE platform that was released in 2014. It comes with several new features and improvements that make it faster, more efficient, and more secure than the previous versions.

What are some of the new features in Java 8?

Some of the new features in Java 8 include Lambda expressions, the Stream API, Nashorn, and improved security features.

Is Java 8 free to use?

Java 8 is free for personal and commercial use. However, if you need enterprise-level support, you may need to purchase a license from Oracle.

Is Java 8 backward compatible with previous versions of Java?

Yes, Java 8 is backward compatible with previous versions of Java. However, some older applications may require modifications to work with Java 8.

How do I uninstall Java 8 from my Ubuntu server?

To uninstall Java 8 from your Ubuntu server, run the following command:

sudo apt-get remove oracle-java8-installer

How do I configure Java 8 on my Ubuntu server?

To configure Java 8 on your Ubuntu server, you can use the “update-alternatives” command. This command allows you to set the default version of Java that is used by the system.

Can I use Java 8 to develop applications on Ubuntu?

Yes, you can use Java 8 to develop applications on Ubuntu. Ubuntu comes with several development tools, including Eclipse, NetBeans, and IntelliJ IDEA, which support Java 8 development.

Does Java 8 support mobile devices?

Yes, Java 8 supports mobile devices. It comes with a new feature called “JavaFX,” which allows you to create applications that can run on desktops and mobile devices.

What is the latest version of Java?

The latest version of Java is Java 16, which was released in March 2021.

Can I run Java applications on Ubuntu without Java installed?

No, you cannot run Java applications on Ubuntu without Java installed. Java is required to run Java applications on Ubuntu.

What are some popular Java-based applications?

Some popular Java-based applications include Eclipse, NetBeans, IntelliJ IDEA, Apache Tomcat, and JBoss.

How do I update Java 8 on my Ubuntu server?

To update Java 8 on your Ubuntu server, run the following command:

sudo apt-get install --only-upgrade oracle-java8-installer

How do I check if Java 8 is installed on my Ubuntu server?

To check if Java 8 is installed on your Ubuntu server, run the following command:

java -version

This command will display the version of Java that is currently installed on your server.

Conclusion

Congratulations! You have successfully installed Java 8 on your Ubuntu server. In this tutorial, we have explored the importance of Java 8 and its significance to Ubuntu servers. We have also covered the installation process step by step, including verifying the installation, and the advantages and disadvantages of Java 8 on Ubuntu servers. With Java 8 installed, you can now begin developing and deploying applications on your Ubuntu server.

If you have any questions or need further assistance, feel free to reach out to the Ubuntu community for support. Thank you for reading!

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Disclaimer

While we have taken every precaution to ensure that the information in this article is accurate and up to date, we cannot guarantee that there will be no errors or omissions. The information in this article is provided “as is” without warranty of any kind, express or implied. We will not be liable for any damages arising from the use or inability to use the information provided in this article.

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