How to Download and Install NetBeans 12
If you are looking for a powerful and versatile integrated development environment (IDE) for Java, PHP, HTML, CSS, JavaScript, and other languages, you might want to consider NetBeans 12. In this article, we will show you how to download and install NetBeans 12 on your computer, as well as how to troubleshoot some common issues and errors. Let's get started!
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What is NetBeans 12 and why use it?
NetBeans is an open-source IDE that allows you to create, edit, debug, test, and deploy applications for desktop, web, mobile, and embedded platforms. It supports a wide range of languages, frameworks, tools, and technologies, such as Java, Java EE, JavaFX, Maven, Gradle, Spring Boot, Hibernate, HTML5, CSS3, JavaScript, TypeScript, Angular, React, Node.js, PHP, Python, Ruby, C/C++, and more.
NetBeans 12 is the latest release of the IDE, which was launched on June 4, 2020. It comes with many new features and improvements, such as:
Support for JDK 14 features, such as records, text blocks, pattern matching for instanceof, switch expressions, and helpful NullPointerExceptions.
Support for Java EE 8 features, such as JSON Binding (JSON-B), JSON Processing (JSON-P) 1.1., Java API for RESTful Web Services (JAX-RS) 2.1., JavaServer Faces (JSF) 2.3., Contexts and Dependency Injection (CDI) 2.0., Bean Validation (BV) 2.0., Java Persistence API (JPA) 2.2., Java API for WebSocket (WebSocket) 1.1., and Servlet 4.0.
Support for Jakarta EE features, such as Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version: Jakarta EE Platform Specification Version:
Support for PHP features, such as PHP version switcher in project properties; PHPStan support; code completion for union types; code completion for match expression; code completion for constructor property promotion; code completion for nullsafe operator; code completion for named arguments; code completion for attributes; code completion for ::class on objects; formatting support for union types; formatting support for match expression; formatting support for constructor property promotion; formatting support for nullsafe operator; formatting support for named arguments; formatting support for attributes; hints for union types; hints for match expression; hints for constructor property promotion; hints for nullsafe operator; hints for named arguments; hints for attributes.
Support for Gradle features, such as improved performance of Gradle projects opening; possibility to set a JDK per Gradle project or use Gradle JVM.
Support for Maven features, such as improved performance of Maven projects opening.
Support for HTML features, such as improved performance of HTML files opening; support for Bootstrap 4.5.0.
Support for JavaScript features, such as improved performance of JavaScript files opening; support for ECMAScript 2020; support for TypeScript 3.9.7.
Support for C/C++ features, such as improved performance of C/C++ files opening; support for C++20 features; support for remote development mode.
Support for Groovy features, such as improved performance of Groovy files opening; support for Groovy 3.0.4.
Support for FlatLaf look and feel, which provides a modern and flat appearance.
Support for dark themes, such as Darcula and Dark Metal.
Support for HiDPI displays, which provide a crisp and clear user interface.
Support for Git features, such as improved performance of Git operations; support for Git version 2.26.2; support for GitHub pull requests; support for GitLab projects.
Support for Subversion features, such as improved performance of Subversion operations; support for Subversion version 1.14.0.
Support for Mercurial features, such as improved performance of Mercurial operations; support for Mercurial version 5.4.1.
As you can see, NetBeans 12 is a powerful and versatile IDE that can help you create amazing applications with ease and efficiency. But before you can start using it, you need to download and install it on your computer. Let's see how to do that in the next section.
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Downloading NetBeans 12
The first step to install NetBeans 12 is to download it from the official website. You can find the download page at . There you will see different options to download NetBeans 12, depending on your operating system and preferences. You can choose between:
The full bundle, which includes all the features and plugins that NetBeans 12 supports. This is the recommended option if you want to have access to all the functionalities and languages that NetBeans 12 offers. The size of this bundle is about 300 MB.
The Java SE bundle, which includes only the features and plugins that are related to Java SE development. This is a good option if you only want to use NetBeans 12 for Java SE projects. The size of this bundle is about 50 MB.
The HTML/JS bundle, which includes only the features and plugins that are related to HTML, CSS, JavaScript, and PHP development. This is a good option if you only want to use NetBeans 12 for web development projects. The size of this bundle is about 40 MB.
The PHP bundle, which includes only the features and plugins that are related to PHP development. This is a good option if you only want to use NetBeans 12 for PHP projects. The size of this bundle is about 35 MB.
The C/C++ bundle, which includes only the features and plugins that are related to C/C++ development. This is a good option if you only want to use NetBeans 12 for C/C++ projects. The size of this bundle is about 50 MB.
You can also download the source code of NetBeans 12 if you want to build it yourself or contribute to its development. The size of the source code is about 200 MB.
Once you have chosen the bundle that suits your needs, you can click on the download button and save the file on your computer. The file name will have the format netbeans---.zip or netbeans---.exe, where is the version number of NetBeans (e.g., 12.0), is the name of the bundle (e.g., full), and is the name of your operating system (e.g., windows-x64).
How to verify the integrity of the downloaded files
Before you install NetBeans 12, it is a good idea to verify the integrity of the downloaded files. This will ensure that the files are not corrupted or tampered with during the download process. To do this, you can use a tool called SHA-512 checksum, which is a mathematical algorithm that generates a unique string of characters based on the content of a file.
You can find the SHA-512 checksums of the NetBeans 12 bundles at . There you will see a list of strings that correspond to each bundle. For example, the SHA-512 checksum of the full bundle for Windows 64-bit is: 8c4a7e6cdaa9c2ad593bada1501f9e5b8f40a3e94d18a0b4d0e51bb36c 6f2f5b4f0f1a7d4b3de0891ea2e6c915791c8cfb12f0a1e5b48ecb2dbd 4a6c8e7 netbeans-12.0-full-windows-x64.exe
To verify the integrity of the downloaded file, you can use a tool that can calculate the SHA-512 checksum of a file and compare it with the one provided on the website. There are many tools available for different operating systems, such as: - For Windows, you can use CertUtil, which is a command-line tool that is included in Windows. To use it, you can open a command prompt and type: certutil -hashfile netbeans-12.0-full-windows-x64.exe SHA512
This will generate a string of characters that is the SHA-512 checksum of the file. You can then compare it with the one on the website and see if they match. - For Linux, you can use sha512sum, which is a command-line tool that is included in most Linux distributions. To use it, you can open a terminal and type: sha512sum netbeans-12.0-full-linux-x64.sh
This will generate a string of characters that is the SHA-512 checksum of the file. You can then compare it with the one on the website and see if they match. - For macOS, you can use shasum, which is a command-line tool that is included in macOS. To use it, you can open a terminal and type: shasum -a 512 netbeans-12.0-full-macosx.dmg
This will generate a string of characters that is the SHA-512 checksum of the file. You can then compare it with the one on the website and see if they match. If the checksums match, it means that the file is intact and safe to install. If they do not match, it means that the file is corrupted or modified and you should not install it. In that case, you should download the file again or try another mirror site. How to install NetBeans 12 as a snap package on Linux
If you are using Linux, you have another option to install NetBeans 12: using snap packages. Snap packages are self-contained applications that can run on any Linux distribution without requiring any dependencies or installation procedures. They are also updated automatically and securely.
To install NetBeans 12 as a snap package on Linux, you need to have snapd installed on your system. Snapd is a service that enables snap packages to run on Linux. You can check if you have snapd installed by typing:
snap version
If you see some output that shows the version of snapd and other information, it means that you have snapd installed. If you see an error message or no output, it means that you do not have snapd installed.
If you do not have snapd installed, you can install it by following the instructions at . The instructions vary depending on your Linux distribution and version.
Once you have snapd installed, you can install NetBeans 12 as a snap package by typing:
sudo snap install netbeans --classic
This will download and install NetBeans 12 as a snap package on your system. The --classic option allows NetBeans 12 to access your files and folders outside of the snap sandbox.
After the installation is complete, you can launch NetBeans 12 by typing:
snap run netbeans
Or by finding NetBeans 12 in your application menu or launcher.
Installing NetBeans 12
If you are using Windows or macOS, or if you prefer to install NetBeans 12 from the downloaded files instead of using snap packages, you can follow these steps to install NetBeans 12 on your system.
How to run the installer for Windows, Linux, and macOS
To run the installer for Windows, Linux, and macOS, you need to double-click on the downloaded file and follow the instructions on the screen. The file name will have the format netbeans---.zip or netbeans---.exe, where is the version number of NetBeans (e.g., 12.0), is the name of the bundle (e.g., full), and is the name of your operating system (e.g., windows-x64).
The installer will guide you through the installation process, which involves choosing the installation directory, accepting the license agreement, selecting the components to install, and configuring some options. The installation process may take a few minutes, depending on your system and the bundle you chose.
After the installation is complete, you can finish the installer and launch NetBeans 12 for the first time.
How to customize the installation options
If you want to customize the installation options, such as changing the installation directory, selecting the components to install, or configuring some options, you can do so by clicking on the Customize button on the installer. This will open a new window where you can modify the following options:
The installation directory: You can choose where to install NetBeans 12 on your system. The default location is C:\Program Files\NetBeans 12.0 on Windows, /usr/local/netbeans-12.0 on Linux, and /Applications/NetBeans/NetBeans 12.0.app on macOS. You can change it by clicking on the Browse button and selecting a different folder.
The components to install: You can choose which components to install from the list of available features and plugins. The default selection is based on the bundle you chose, but you can add or remove components by checking or unchecking the boxes next to them. You can also see the description and size of each component by hovering over them.
The options to configure: You can configure some options for NetBeans 12, such as creating a desktop shortcut, registering file associations, setting up a proxy server, or choosing a JDK to use. You can change these options by clicking on the tabs at the top of the window and modifying the settings as you wish.
After you have customized the installation options, you can click on the Install button to start the installation process.
How to launch NetBeans 12 for the first time
After you have installed NetBeans 12, you can launch it for the first time by clicking on the Finish button on the installer, or by finding NetBeans 12 in your Start menu or application launcher. When you launch NetBeans 12 for the first time, you will see a welcome screen that shows some tips and tutorials on how to use NetBeans 12. You can close this screen by clicking on the X button at the top right corner.
You will then see the main window of NetBeans 12, which consists of several panels and menus that allow you to create, edit, debug, test, and deploy your applications. You can customize the layout and appearance of NetBeans 12 by dragging and dropping panels, resizing windows, changing themes, and adjusting preferences.
To start using NetBeans 12, you can create a new project by clicking on File > New Project, or open an existing project by clicking on File > Open Project. You can then use NetBeans 12 to write code, run tests, debug errors, build executables, deploy applications, and more.
Troubleshooting NetBeans 12
NetBeans 12 is a stable and reliable IDE that works well on most systems and platforms. However, sometimes you may encounter some issues or errors with NetBeans 12 that prevent you from using it properly. In this section, we will show you how to fix some common issues and errors with NetBeans 12, as well as how to get help and support from and answer questions about NetBeans 12. You can subscribe to the mailing lists at . There are different mailing lists for different topics, such as users, developers, commits, issues, and announcements. You can choose the ones that interest you and join the conversation.
The NetBeans forums: These are web-based discussion boards where you can post questions and answer questions about NetBeans 12. You can access the forums at . There are different forums for different topics, such as general, Java, PHP, C/C++, web, and mobile. You can browse the forums and participate in the discussion.
The NetBeans chat: This is a real-time chat platform where you can chat with other NetBeans 12 users and developers. You can access the chat at . There are different chat channels for different topics, such as #netbeans, #netbeans-dev, #netbeans-docs, and #netbeans-qa. You can join the chat and interact with the community.
The NetBeans wiki: This is a collaborative online documentation site where you can find and contribute information about NetBeans 12. You can access the wiki at . There are different wiki pages for different topics, such as installation, configuration, usage, development, testing, and troubleshooting. You can read the wiki and edit the wiki.
The NetBeans bug tracker: This is a web-based issue tracking system where you can report and resolve bugs and feature requests for NetBeans 12. You can access the bug tracker at . There are different issue types for different categories, such as bug, improvement, new feature, task, and test. You can create an issue and work on an issue.
As you can see, there are many ways to get help and support from the NetBeans 12 community. You can use any of them or all of them to learn more about NetBeans 12 and improve your experience with it.
Conclusion
In this article, we have shown you how to download and install NetBeans 12 on your computer, as well as how to troubleshoot some common issues and errors with it. We have also shown you how to get help and support from the NetBeans 12 community.
NetBeans 12 is a powerful and versatile IDE that can help you create amazing applications with ease and efficiency. It supports a wide range of languages, frameworks, tools, and technologies that can suit your needs and preferences. It also comes with many new features and improvements that make it more stable and reliable than ever.
If you have not tried NetBeans 12 yet, we encourage you to do so and see for yourself what it can do for you. You can download it from and follow the instructions in this article to install it on your system.
If you have already tried NetBeans 12, we hope that this article has helped you solve any problems or doubts that you may have had with it. We also hope that this article has inspired you to explore more of what NetBeans 12 has to offer and to share your feedback with the community.
Thank you for reading this article and happy coding with NetBeans 12!
FAQs
Here are some frequently asked questions about NetBeans 12:
Q: Is NetBeans 12 free?
A: Yes, NetBeans 12 is free and open-source software that is licensed under the Apache License 2.0. You can use it for any purpose without paying any fees or royalties.
Q: Is NetBeans 12 compatible with older versions of NetBeans?
A: Yes, NetBeans 12 is compatible with older versions of NetBeans in terms of project format and settings. You can open and work on projects that were created with older versions of NetBeans without any problems. However, some features or plugins that were available in older versions of NetBeans may not be available or supported in NetBeans 12.
Q: How do I update NetBeans 12?
A: To update NetBeans 12, you can use the built-in update center that notifies you of any available updates or patches for NetBeans 12. You can access the update center by clicking on Help > Check for Updates. Then, you can follow the instructions on the screen to download and install the updates or patches. Alternatively, you can download the latest version of NetBeans 12 from and install it over your existing installation.
Q: How do I uninstall NetBeans 12?
A: To uninstall NetBeans 12, you can use the built-in uninstaller that removes NetBeans 12 and its components from your system. You can access the uninstaller by clicking on Start > All Programs > NetBeans > Uninstall on Windows, or by running the uninstall.sh script in the netbeans-12.0 folder on Linux, or by dragging the NetBeans 12.0.app to the Trash on macOS. Then, you can follow the instructions on the screen to complete the uninstallation process.
Q: Where can I find more information about NetBeans 12?
A: You can find more information about NetBeans 12 at , which is the official website of NetBeans. There you can find the latest news, downloads, documentation, tutorials, videos, blogs, podcasts, and more about NetBeans 12 and its community.
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