How to update java on windows

Last Updated :
02 Jan, 2023

Java is a high-level, robust, object-oriented, and secure programming language that was developed in the year 1995 by Sun Microsystems (which is now part of Oracle group), and James Gosling is known as the father of Java.  It is a general-purpose programming language intended to let programmers write once, and run anywhere, meaning that compiled Java code is compatible to run on all platforms that support Java without the need to recompile which is a major advantage.

Java Update

Java Update is a feature that keeps your windows computer up to date with the latest Java releases. You can use Java’s update feature to manually force an available update on windows. But, when you have auto update enabled, your system periodically checks for new versions of Java and updates it automatically.

Auto Update in Java

We can get the auto-update feature in Java

First, you need to check whether the windows check for update automatically you can do this by following the steps: 

1.  Open the start by clicking on the windows logo on the bottom left side of the screen, and the start menu will pop up.
2.  Now type configures Java and clicks on configure Java option from the list of matching programs, this will open Java control panel.
3.  Once Java Control Panel is launched click on the update tab to access settings.
4.  Select the Check for Updates Automatically check box for enabling Java updates to check for updates automatically.

Now, whenever an update is available you will receive a notification asking your permission to download the update, and a tooltip balloon appears on your Windows desktop. To install the new update, click on the notification dialog.

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Update Notification for Java

Now an Update Available dialog appears. To start the installation, click Update. Otherwise, you can click Later to install the update at a later time. When the installation is complete a dialog appears where you can click Finish to complete the installation.

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An update Available dialog box

Using the Update Schedule, you can change the frequency for updates accordingly: daily, weekly, or monthly (default). To do this follow the given steps:

1.  From the Java Control panel click on the Update tab, then select Advanced, now the Automatic Update Advanced Settings dialog will appear.
2.  Here you can change the frequency and the date and time for the Java Update, finally click OK.

 Java Update scheduler will check for newer Java updates and notify you at the scheduled frequency.

Java Manual Update

1. Open the Start option by clicking the Windows logo in the bottom-left corner of the screen. The Start menu will pop up.

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Main Screen with start option

2. Type in configure java in the search box and searches for matching programs will be displayed.

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List of matches

3. Click on configure java option from the list of matching programs and the Java Control Panel will open.

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Java Control Panel

4. Click on the update option in the Java control panel and then click on the Update now option at the bottom-right corner of the window and this initiates the Java to look for new updates.

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Java Control Panel after clicking on the Update tab

5.  If Java finds an available update, follow any on-screen prompts that appear to confirm the update, then allow your computer to install the latest version of Java.

You cannot update to a new version of Java if you receive a dialog box saying that you are already running the latest version of Java.

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This notification appears when you are using the latest Java version

 Finally, if you are not sure about the Java version then go to the official link to update to the latest version.

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Are you struggling to update Java on your system? You’re not alone. Many users find it challenging to keep their Java installations up-to-date. Like a diligent mechanic, we need to regularly service our Java installations to keep them running smoothly.

Java updates are crucial for the security and performance of your system. They bring new features, improvements, and bug fixes that enhance your Java experience.

This guide will walk you through the process of updating Java on Windows, MacOS, and Linux. We’ll cover everything from the basics to more advanced techniques, ensuring you can easily update Java regardless of your system.

Let’s get started and master Java updates!

TL;DR: How Do I Update Java?

You can update Java by visiting the official Java website at: https://www.java.com/en/download/. Download the latest version, and follow the installation prompts. This process may vary slightly depending on your operating system.

Here’s a simple example:

# Visit the official Java website
open https://www.java.com/en/download/

# Download the latest version
# Follow the installation prompts

# Verify the update
java -version

# Output:
# java version "1.8.0_271"
# Java(TM) SE Runtime Environment (build 1.8.0_271-b09)
# Java HotSpot(TM) 64-Bit Server VM (build 25.271-b09, mixed mode)

In this example, we visit the official Java website, download the latest version, and follow the installation prompts. After the installation, we verify the update by checking the Java version. The output shows the updated Java version.

This is a basic way to update Java, but there’s much more to learn about the process, including how to manage multiple Java versions on the same system. Continue reading for more detailed information and advanced usage scenarios.

Updating Java: A Step-by-Step Guide for Beginners

Whether you’re using Windows, MacOS, or Linux, updating Java involves a similar process. Here’s a step-by-step guide to help you update Java on your system.

Updating Java on Windows

1. Open your browser and visit the official Java website: https://www.java.com/en/download/
2. Click on the ‘Java Download’ button and confirm the download on the next page.
3. Once downloaded, double-click the installer to start the installation process.
4. Follow the installer prompts to complete the installation.
5. To verify the update, open Command Prompt and type the following:

java -version

# Output:
# java version "1.8.0_271"
# Java(TM) SE Runtime Environment (build 1.8.0_271-b09)
# Java HotSpot(TM) 64-Bit Server VM (build 25.271-b09, mixed mode)

The output shows the updated Java version.

Updating Java on MacOS

1. Open your browser and visit the official Java website: https://www.java.com/en/download/
2. Click on the ‘Java Download’ button and confirm the download on the next page.
3. Once downloaded, double-click the installer to start the installation process.
4. Follow the installer prompts to complete the installation.
5. To verify the update, open Terminal and type the following:

java -version

# Output:
# java version "1.8.0_271"
# Java(TM) SE Runtime Environment (build 1.8.0_271-b09)
# Java HotSpot(TM) 64-Bit Server VM (build 25.271-b09, mixed mode)

The output shows the updated Java version.

Updating Java on Linux

1. Open Terminal.
2. Update the package list using the following command:

sudo apt update

1. Install the default Java version using the following command:

sudo apt install default-jdk

# Output:
# Reading package lists... Done
# Building dependency tree
# Reading state information... Done
# The following additional packages will be installed:
#  default-jdk-headless
# Suggested packages:
#  openjdk-11-demo openjdk-11-source visualvm
# The following NEW packages will be installed:
#  default-jdk default-jdk-headless
# 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
# Need to get 1,864 B/2,014 B of archives.
# After this operation, 12.3 kB of additional disk space will be used.
# Do you want to continue? [Y/n]

1. To verify the update, type the following:

java -version

# Output:
# openjdk version "11.0.11" 2021-04-20
# OpenJDK Runtime Environment (build 11.0.11+9-Ubuntu-0ubuntu2.20.04)
# OpenJDK 64-Bit Server VM (build 11.0.11+9-Ubuntu-0ubuntu2.20.04, mixed mode, sharing)

The output shows the updated Java version.

Remember, these steps are for beginners. If you’re an advanced user, you might want to customize your Java installation or manage multiple Java versions on the same system. We’ll cover that in the next section.

Why Updating Java is Crucial

Keeping Java updated is more than just accessing new features. It’s about ensuring the security and optimal performance of your system. Each Java update brings with it a series of bug fixes, improvements, and sometimes, new features.

The Java Update Process

When you update Java, your system downloads the new version from the official Java website. This version comes as an executable file that you run to install the new version. During the installation, the installer checks for previous versions and, if allowed, it will uninstall the older version before installing the new one.

Configuring Java Update Settings

Java allows you to configure its update settings. On Windows, you can access these settings from the Java Control Panel. Here’s how:

# Open Control Panel
# Click on Programs
# Click on Java
# In the Java Control Panel, click on the Update tab
# Here, you can configure the update settings

On MacOS, you can find these settings under System Preferences > Java > Update.

Managing Multiple Java Versions

Sometimes, you may need to keep older Java versions while installing a new one. This is common among developers who need to test their applications on different Java versions.

To manage multiple Java versions, you can use the update-alternatives command on Linux. Here’s an example:

# Install a new Java version
sudo apt install openjdk-11-jdk

# Configure the system to use the new Java version
sudo update-alternatives --config java

# Output:
# There are 2 choices for the alternative java (providing /usr/bin/java).
# Selection    Path                                            Priority   Status
# ------------------------------------------------------------
# * 0            /usr/lib/jvm/java-11-openjdk-amd64/bin/java      1111      auto mode
# 1            /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java   1081      manual mode
# 2            /usr/lib/jvm/java-11-openjdk-amd64/bin/java      1111      manual mode

# Press enter to keep the current choice[*], or type selection number: 2

# Verify the update
java -version

# Output:
# openjdk version "11.0.11" 2021-04-20
# OpenJDK Runtime Environment (build 11.0.11+9-Ubuntu-0ubuntu2.20.04)
# OpenJDK 64-Bit Server VM (build 11.0.11+9-Ubuntu-0ubuntu2.20.04, mixed mode, sharing)

In this example, we install a new Java version (OpenJDK 11) and configure the system to use it. The update-alternatives command allows us to choose which Java version to use. After choosing the new version, we verify the update by checking the Java version. The output shows the updated Java version.

Remember, managing multiple Java versions is an advanced technique. You should only attempt it if you’re comfortable with the command line and understand the implications of using different Java versions.

Troubleshooting Common Issues with Java Updates

Like any software, Java updates can sometimes run into problems. Here are some common issues and their solutions.

Issue: Installation Fails

Sometimes, the Java update installation may fail. This could be due to a network issue, lack of disk space, or a problem with the installer.

Solution: Try downloading the installer again. If the problem persists, check your network connection and ensure you have enough disk space. If all else fails, contact Java support or search for a solution online.

Issue: Old Java Version Still Shows After Update

After updating Java, you may find that the old version still shows when you check the Java version. This could be due to the system not recognizing the new Java version.

Solution: On Windows and MacOS, restart your system. On Linux, use the update-alternatives command to switch to the new Java version, as shown in the previous section.

Issue: Multiple Java Versions Causing Conflicts

If you have multiple Java versions installed, they could cause conflicts. This is especially common among developers who need to test their applications on different Java versions.

Solution: Use the update-alternatives command on Linux to switch between Java versions. On Windows and MacOS, you can specify the Java version when running your application.

Verifying the Java Update

After updating Java, it’s important to verify the update. You can do this by checking the Java version. Here’s how:

java -version

# Output:
# java version "1.8.0_271"
# Java(TM) SE Runtime Environment (build 1.8.0_271-b09)
# Java HotSpot(TM) 64-Bit Server VM (build 25.271-b09, mixed mode)

In this example, we check the Java version. The output shows the updated Java version.

Remember, troubleshooting is an integral part of the Java update process. It helps ensure your system is using the correct Java version and running smoothly.

Understanding Java’s Release Cycle

Java’s release cycle is crucial to keep in mind when updating. Oracle, the company behind Java, releases updates every six months. These updates include security fixes, performance enhancements, and new features. Understanding this cycle can help you plan and manage your updates effectively.

Checking Your Current Java Version

Before updating Java, it’s good practice to check your current version. This will help you verify the update later. Here’s how to check your Java version:

java -version

# Output:
# java version "1.8.0_271"
# Java(TM) SE Runtime Environment (build 1.8.0_271-b09)
# Java HotSpot(TM) 64-Bit Server VM (build 25.271-b09, mixed mode)

In this example, we check the Java version. The output shows the current Java version.

Uninstalling Old Java Versions

When updating Java, the installer usually uninstalls the old version automatically. However, if you need to uninstall an old Java version manually, here’s how:

On Windows, you can uninstall Java from the Control Panel > Programs > Programs and Features.

On MacOS, you can remove the Java plugin from System Preferences > Java > Security > Java Content in the browser > Delete Files.

On Linux, you can uninstall Java with the following command:

sudo apt remove openjdk-*

JDK vs JRE: What’s the Difference?

Java Development Kit (JDK) and Java Runtime Environment (JRE) are two components of Java. JDK is for developers who need to write Java applications. It includes JRE and other development tools. On the other hand, JRE is for users who just need to run Java applications. It includes the Java Virtual Machine (JVM) and other necessary libraries.

When updating Java, consider whether you need JDK or JRE. If you’re a developer, you’ll likely need the JDK. If you’re a user, the JRE should suffice.

Setting Up a Java Development Environment

Once you’ve updated Java, you might want to set up a development environment to start coding. This involves installing a Java Development Kit (JDK) and an Integrated Development Environment (IDE). The JDK provides the tools you need to write and compile Java code, while the IDE makes it easier to write, debug, and run your code.

Here’s an example of how to set up a Java development environment on Linux:

# Install OpenJDK
sudo apt install openjdk-11-jdk

# Install IntelliJ IDEA (a popular Java IDE)
sudo snap install intellij-idea-community --classic

In this example, we install OpenJDK 11 and IntelliJ IDEA. The --classic option allows IntelliJ IDEA to access necessary system resources.

Writing a Simple Java Program

With your development environment set up, you can write a simple Java program. Here’s an example:

public class HelloJava {
  public static void main(String[] args) {
    System.out.println("Hello, Java!");
  }
}

# Output:
# Hello, Java!

In this example, we create a Java class named HelloJava. This class has a main method that prints Hello, Java! when run.

Using Java in Web Development

Java is a versatile language that you can use in web development. There are many Java frameworks, such as Spring and Struts, that make it easier to build web applications. These frameworks provide tools and libraries that streamline the development process.

Further Resources for Java

To learn more about updating Java and using Java in your projects, check out these resources:

• Quick and Easy Java Installation on Ubuntu – Quick tips for installing Java on Ubuntu server.

• Exploring the Java Logo – Learn about the history and design behind the Java coffee cup logo.

• Java 11 Updates – Learn about Java Platform Module System (JPMS) improvements and updated APIs in Java 11.

• Oracle’s Java Tutorials cover everything from the basics to advanced topics.

• Baeldung’s Java and Spring Tutorials offers in-depth tutorials on Java and Spring for web development.

• Java Code Geeks offers a wealth of articles on various Java updates, development, and more.

Wrapping Up: Java Updates

In this comprehensive guide, we’ve delved into the process of updating Java on various operating systems, emphasizing the importance of keeping your Java installations up-to-date.

We began with the basics, walking you through the steps to update Java on Windows, MacOS, and Linux. We then ventured into more advanced territory, discussing why it’s important to update Java and how to configure Java update settings. We also touched on how to manage multiple Java versions on the same system, a useful skill for developers testing their applications on different Java versions.

Along the way, we addressed common issues encountered when updating Java and provided solutions to help you troubleshoot these challenges. We also discussed how to verify the Java update, an essential step to ensure you’re using the correct Java version.

Here’s a quick comparison of the update process on different operating systems:

Whether you’re a beginner learning to update Java for the first time or an experienced user looking to manage multiple Java versions, we hope this guide has provided you with the knowledge and confidence to handle Java updates effectively.

Updating Java is a crucial part of maintaining the security and performance of your system. With this guide, you’re well-equipped to keep your Java installations running smoothly. Happy coding!

Updating Java on Windows 10 is a straightforward process that ensures you have the latest features, bug fixes, and security updates. In a nutshell, you’ll need to check your current Java version, download the latest version from the official website, and then install it. This step-by-step guide will walk you through the process.

Updating Java on Windows 10 involves a few simple steps. By following these steps, you’ll ensure your system runs smoothly and securely with the latest version of Java.

Step 1: Check Your Current Java Version

First, open the Command Prompt and type java -version.

This step is crucial because it helps you determine which version of Java you currently have installed. Knowing this will help you decide if an update is necessary.

Step 2: Visit the Official Java Website

Go to the official Java website at java.com.

This is where you can download the latest version of Java. Always use the official site to avoid downloading malicious software.

Step 3: Download the Latest Java Version

Click on the «Download» button to get the latest version.

Make sure you download the correct version for your system architecture (32-bit or 64-bit). Most modern computers use the 64-bit version.

Step 4: Run the Installer

Once the download is complete, open the installer file.

Follow the on-screen instructions to install Java. It’s usually a matter of clicking «Next» a few times.

Step 5: Verify the Installation

After installation, open the Command Prompt again and type java -version.

This will confirm that the update was successful. The new version number should be displayed.

Once you’ve completed these steps, your Java version will be updated. Your computer will now benefit from the latest features and security improvements.

Tips for Updating Java on Windows 10

• Always download Java from the official website to avoid installing malware.
• Regularly check for Java updates to keep your system secure.
• If you encounter issues, try uninstalling the current version before installing the new one.
• Keep your system’s architecture in mind; download the 32-bit or 64-bit version accordingly.
• Restart your computer after installing Java to ensure all changes take effect.

Frequently Asked Questions

Why should I update Java?

Updating Java ensures you have the latest security patches, bug fixes, and performance improvements.

How do I know if I need to update Java?

You can check your current version by typing java -version in the Command Prompt and comparing it to the latest version on the Java website.

Can I uninstall the old version before updating?

Yes, uninstalling the old version can sometimes resolve issues during the update process.

Is it safe to update Java?

Yes, as long as you download the update from the official Java website.

Do I need to restart my computer after updating Java?

It’s a good idea to restart your computer to ensure all changes take effect properly.

Summary

1. Check your current Java version.
2. Visit the official Java website.
3. Download the latest Java version.
4. Run the installer.
5. Verify the installation.

Conclusion

Updating Java on Windows 10 is essential for maintaining the security and performance of your system. By following the steps outlined in this guide, you’ll ensure that your computer runs the latest version of Java, complete with all the latest features and security patches. Regular updates help prevent vulnerabilities and improve functionality, making your computing experience smoother and more secure.

Make a habit of checking for updates periodically. Regular maintenance like this can save you from potential headaches down the line. And remember, always download software from official websites to keep your system safe from malicious programs. Now that you know how to update Java on Windows 10, go ahead and ensure your device is up to date!