Eclipse 21-03 Download: A Guide for Developers
Eclipse is one of the most popular and powerful integrated development environments (IDEs) for software development. It supports a wide range of programming languages, frameworks, tools, and platforms. It is free, open source, and cross-platform. It has a large and active community of developers and contributors.
Eclipse releases a new version every quarter, following a coordinated schedule. The latest release is Eclipse 21-03, which was published on March 17, 2021. It is the supported release until June 2021, when Eclipse 21-06 will be available.
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In this article, we will explore what Eclipse 21-03 has to offer for developers, how to download and install it, how to use it for different types of development, and how to extend and customize it.
What is Eclipse IDE and what are its main features?
Eclipse IDE is an integrated development environment that provides a common platform for developing, building, testing, debugging, and deploying software applications. It consists of a core runtime engine and a set of plugins that provide various functionalities.
Some of the main features of Eclipse IDE are:
It supports multiple programming languages, such as Java, C/C++, PHP, Python, Ruby, JavaScript, TypeScript, and more.
It supports multiple types of projects, such as desktop applications, web applications, mobile applications, games, cloud applications, etc.
It provides a rich set of tools for code editing, navigation, completion, refactoring, formatting, analysis, etc.
It provides a powerful debugger that allows setting breakpoints, inspecting variables, controlling execution flow, etc.
It provides a comprehensive testing framework that supports unit testing, integration testing, performance testing, code coverage, etc.
It provides a flexible build system that supports Maven, Gradle, Ant, Makefile, etc.
It provides a seamless integration with version control systems such as Git, SVN, CVS, etc.
It provides a user-friendly interface that can be customized and personalized according to user preferences.
It provides an extensible platform that can be enhanced with thousands of plugins available from the Eclipse Marketplace or other sources.
What is Eclipse 21-03 and what are its new and noteworthy improvements?
Eclipse 21-03 is the latest release of Eclipse IDE that was published on March 17, 2021. It is based on Eclipse Platform 4.19.0 and includes updates from various participating projects.
Some of the new and noteworthy improvements in Eclipse 21-03 are:
The Java development tools (JDT) have been improved to support Java SE 16 features such as records, sealed classes/interfaces/permits clauses/instanceof patterns/text blocks/switch expressions/etc.
The C/C++ development tools (CDT) have been improved to support C++20 features such as concepts/consteval/constinit/designated initializers/ranges/three-way comparison/etc.
How to download and install Eclipse 21-03
There are two main ways to download and install Eclipse 21-03: using the Eclipse Installer or using the Eclipse Packages. Both methods require a Java Runtime Environment (JRE) or a Java Development Kit (JDK) version 11 or higher to run Eclipse.
Requirements and prerequisites
Before downloading and installing Eclipse 21-03, you should check the following requirements and prerequisites:
Your operating system: Eclipse 21-03 supports Windows, Linux, and Mac OS X. You can check the detailed system requirements here.
Your Java version: Eclipse 21-03 requires Java 11 or higher to run. You can check your Java version by running java -version in a terminal or command prompt. If you don't have Java installed or need to update it, you can download it from here.
Your disk space: Eclipse 21-03 requires about 300 MB of disk space for the base installation and more for additional plugins and features. You should have enough free space on your disk to accommodate the installation.
Your internet connection: Eclipse 21-03 requires an internet connection to download the installation files and to access online resources and updates. You should have a stable and fast internet connection to complete the installation.
Steps to download and install Eclipse 21-03 using the Eclipse Installer
The Eclipse Installer is a tool that simplifies the installation of Eclipse by allowing you to choose from a list of predefined packages that suit your needs. The installer also takes care of updating your existing Eclipse installations and managing multiple installations.
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how to install and update your eclipse development environment with the installer
To download and install Eclipse 21-03 using the Eclipse Installer, follow these steps:
Go to the Eclipse downloads page and click on the Eclipse Installer button. Choose the appropriate installer for your operating system and architecture (32-bit or 64-bit).
Run the downloaded installer file and follow the instructions on the screen. You may need to grant permission to run the installer or accept a license agreement.
Select the package that you want to install from the list of available packages. You can choose from different categories such as Eclipse IDE for Enterprise Java Developers, Eclipse IDE for C/C++ Developers, Eclipse IDE for Web Developers, etc. You can also browse more packages by clicking on the MORE... button.
Select the installation folder where you want to install Eclipse. You can use the default folder or browse for a custom folder. You can also change other settings such as proxy configuration, JVM configuration, etc. by clicking on the MENU button.
Click on the INSTALL button to start the installation process. The installer will download the required files and install them in the selected folder. You can monitor the progress and cancel the installation at any time.
When the installation is complete, click on the LAUNCH button to start Eclipse. You can also find a shortcut to Eclipse in your desktop or start menu.
Steps to download and install Eclipse 21-03 using the Eclipse Packages
The Eclipse Packages are pre-packaged distributions of Eclipse that contain a specific set of plugins and features for a particular type of development. The packages are available as zip or tar files that you can extract and run without any installation process.
To download and install Eclipse 21-03 using the Eclipse Packages, follow these steps:
Go to the Eclipse downloads page and click on the Eclipse Packages button. Choose the appropriate package for your type of development and operating system from the list of available packages.
Download the zip or tar file of the selected package to your computer. The file size may vary depending on the package.
Extract the downloaded file to a folder of your choice. You can use any tool that supports zip or tar files, such as WinZip, WinRAR, 7-Zip, etc.
Run the eclipse.exe (Windows) or eclipse (Linux/Mac OS X) file in the extracted folder to start Eclipse. You can also create a shortcut to this file on your desktop or start menu for easy access.
How to use Eclipse 21-03 for different types of development
such as Java development, C/C++ development, web development, mobile development, and cloud development. In this section, we will briefly introduce how to use Eclipse 21-03 for each of these types of development. Java development
Eclipse 21-03 is a great IDE for Java development, as it provides a comprehensive set of tools and features for writing, running, testing, debugging, and deploying Java applications. Some of the benefits of using Eclipse 21-03 for Java development are:
It supports the latest Java SE 16 features and enhancements, such as records, sealed classes/interfaces/permits clauses/instanceof patterns/text blocks/switch expressions/etc.
It provides a smart code editor that offers syntax highlighting, code completion, code templates, code formatting, code refactoring, code generation, etc.
It provides a powerful debugger that allows setting breakpoints, inspecting variables, controlling execution flow, evaluating expressions, modifying values, etc.
It provides a comprehensive testing framework that supports JUnit 4/5, TestNG, Spock, etc. It also supports code coverage analysis using EclEmma.
It provides a flexible build system that supports Maven, Gradle, Ant, etc. It also supports dependency management using Maven or Gradle.
It provides a seamless integration with version control systems such as Git, SVN, CVS, etc. It also supports code review and collaboration using Gerrit or GitHub.
It provides a user-friendly interface that can be customized and personalized according to user preferences. It also supports dark mode and high contrast mode.
It provides an extensible platform that can be enhanced with thousands of plugins available from the Eclipse Marketplace or other sources.
To use Eclipse 21-03 for Java development, you need to install the Eclipse IDE for Enterprise Java Developers package or the Eclipse IDE for Java Developers package. You can also install additional plugins for specific frameworks or tools that you want to use.
C/C++ development
Eclipse 21-03 is also a great IDE for C/C++ development, as it provides a comprehensive set of tools and features for writing, running, testing, debugging, and deploying C/C++ applications. Some of the benefits of using Eclipse 21-03 for C/C++ development are:
It supports the latest C++20 features and enhancements, such as concepts/consteval/constinit/designated initializers/ranges/three-way comparison/etc.
It provides a smart code editor that offers syntax highlighting, code completion, code templates, code formatting, code refactoring, code generation, etc.
It provides a powerful debugger that allows setting breakpoints, inspecting variables, controlling execution flow, evaluating expressions, modifying values, etc.
It provides a comprehensive testing framework that supports Google Test/Catch2/Boost.Test/etc. It also supports code coverage analysis using gcov/lcov.
It provides a flexible build system that supports Makefile/CMake/Meson/etc. It also supports dependency management using Conan/vcpkg/etc.
It provides a seamless integration with version control systems such as Git/SVN/CVS/etc. It also supports code review and collaboration using Gerrit/GitHub/etc.
It provides a user-friendly interface that can be customized and personalized according to user preferences. It also supports dark mode and high contrast mode.
It provides an extensible platform that can be enhanced with thousands of plugins available from the Eclipse Marketplace or other sources.
you need to install the Eclipse IDE for C/C++ Developers package. You can also install additional plugins for specific frameworks or tools that you want to use.
Web development
Eclipse 21-03 is also a great IDE for web development, as it provides a comprehensive set of tools and features for writing, running, testing, debugging, and deploying web applications. Some of the benefits of using Eclipse 21-03 for web development are:
It supports multiple web languages, such as HTML/CSS/JavaScript/TypeScript/PHP/Python/Ruby/etc.
It supports multiple web frameworks, such as Angular/React/Vue/Spring Boot/Laravel/Django/Rails/etc.
It provides a smart code editor that offers syntax highlighting, code completion, code templates, code formatting, code refactoring, code generation, etc.
It provides a powerful debugger that allows setting breakpoints, inspecting variables, controlling execution flow, evaluating expressions, modifying values, etc.
It provides a comprehensive testing framework that supports various testing tools and libraries for web development.
It provides a flexible build system that supports various build tools and bundlers for web development.
It provides a seamless integration with version control systems such as Git/SVN/CVS/etc. It also supports code review and collaboration using Gerrit/GitHub/etc.
It provides a user-friendly interface that can be customized and personalized according to user preferences. It also supports dark mode and high contrast mode.
It provides an extensible platform that can be enhanced with thousands of plugins available from the Eclipse Marketplace or other sources.
To use Eclipse 21-03 for web development, you need to install the Eclipse IDE for Web Developers package or the Eclipse IDE for Enterprise Java Developers package. You can also install additional plugins for specific languages or frameworks that you want to use.
Mobile development
Eclipse 21-03 is also a great IDE for mobile development, as it provides a comprehensive set of tools and features for writing, running, testing, debugging, and deploying mobile applications. Some of the benefits of using Eclipse 21-03 for mobile development are:
It supports multiple mobile platforms, such as Android/iOS/Windows Phone/etc.
It supports multiple mobile frameworks, such as Flutter/React Native/Ionic/Cordova/etc.
It provides a smart code editor that offers syntax highlighting, code completion, code templates, code formatting, code refactoring, code generation, etc.
It provides a powerful debugger that allows setting breakpoints, inspecting variables, controlling execution flow, evaluating expressions, modifying values, etc.
It provides a comprehensive testing framework that supports various testing tools and libraries for mobile development.
It provides a flexible build system that supports various build tools and bundlers for mobile development.
It provides a seamless integration with version control systems such as Git/SVN/CVS/etc. It also supports code review and collaboration using Gerrit/GitHub/etc.
It provides a user-friendly interface that can be customized and personalized according to user preferences. It also supports dark mode and high contrast mode.
It provides an extensible platform that can be enhanced with thousands of plugins available from the Eclipse Marketplace or other sources.
To use Eclipse 21-03 for mobile development, you need to install the Eclipse IDE for Mobile Developers package or the Eclipse IDE for Java Developers package. You can also install additional plugins for specific platforms or frameworks that you want to use.
Cloud development
Eclipse 21-03 is also a great IDE for cloud development, as it provides a comprehensive set of tools and features for writing, running, testing, debugging, and deploying cloud applications. Some of the benefits of using Eclipse 21-03 for cloud development are:
It supports multiple cloud platforms, such as AWS/Azure/GCP/IBM Cloud/etc.
It supports multiple cloud frameworks, such as Spring Boot/Micronaut/Quarkus/Helidon/etc.
It provides a smart code editor that offers syntax highlighting, code completion, code templates, code formatting, code refactoring, code generation, etc.
It provides a powerful debugger that allows setting breakpoints, inspecting variables, controlling execution flow, evaluating expressions, modifying values, etc.
It provides a comprehensive testing framework that supports various testing tools and libraries for cloud development.
It provides a flexible build system that supports various build tools and bundlers for cloud development.
It provides a seamless integration with version control systems such as Git/SVN/CVS/etc. It also supports code review and collaboration using Gerrit/GitHub/etc.
It provides a user-friendly interface that can be customized and personalized according to user preferences. It also supports dark mode and high contrast mode.
It provides an extensible platform that can be enhanced with thousands of plugins available from the Eclipse Marketplace or other sources.
To use Eclipse 21-03 for cloud development, you need to install the Eclipse IDE for Enterprise Java Developers package or the Eclipse IDE for Java Developers package. You can also install additional plugins for specific platforms or frameworks that you want to use.
How to extend and customize Eclipse 21-03
Eclipse 21-03 is an extensible and customizable IDE that can be tailored to your specific needs and preferences. In this section, we will introduce how to extend and customize Eclipse 21-03 using two main methods: using the Eclipse Marketplace and using the Eclipse Preferences.
How to use the Eclipse Marketplace to find and install plugins
The Eclipse Marketplace is an online repository of plugins that provide additional functionalities and features for Eclipse. You can browse, search, install, update, and uninstall plugins from the Eclipse Marketplace using the Eclipse Marketplace Client (MPC) tool that is included in Eclipse 21-03.
To use the Eclipse Marketplace to find and install plugins, follow these steps:
In Eclipse 21-03, go to Help > Eclipse Marketplace.... This will open the MPC tool in a new window.
In the MPC tool, you can browse the featured or popular plugins by clicking on the corresponding tabs. You can also search for a specific plugin by entering a keyword in the search box and pressing Enter.
When you find a plugin that you want to install, click on the Install button next to it. This will open a dialog box that shows the details and dependencies of the plugin.
Review the details and dependencies of the plugin and click on Confirm. This will start the installation process. You may need to accept a license agreement or restart Eclipse to complete the installation.
When the installation is complete, you can use the plugin in Eclipse 21-03. You can also manage your installed plugins by going to Help > About Eclipse IDE > Installation Details.
How to use the Eclipse Preferences to change settings and options
The Eclipse Preferences is a tool that allows you to change various settings and options for Eclipse 21-03. You can customize your Eclipse environment according to your preferences using the Eclipse Preferences tool.
To use the Eclipse Preferences to change settings and options, follow these steps:
In Eclipse 21-03, go to Window > Preferences. This will open the Preferences tool in a new window.
In the Preferences tool, you can browse the different categories of settings and options by expanding or collapsing the tree view on the left side. You can also search for a specific setting or option by entering a keyword in the search box on the top right corner.
When you find a setting or option that you want to change, click on it and modify its value on the right side. , the Eclipse forums, the Eclipse bug tracker, the Eclipse mailing lists, and the Eclipse social media channels.
We hope you enjoyed this article and learned something new about Eclipse 21-03. If you have any questions, comments, or feedback, please feel free to share them with us. We would love to hear from you and help you with your Eclipse journey.
Thank you for reading and happy coding!
FAQs
Here are some frequently asked questions (FAQs) about Eclipse 21-03:
What is the difference between Eclipse 21-03 and Eclipse 2020-12?
Eclipse 21-03 is the latest release of Eclipse IDE that was published on March 17, 2021. It is based on Eclipse Platform 4.19.0 and includes updates from various participating projects. Eclipse 2020-12 is the previous release of Eclipse IDE that was published on December 16, 2020. It is based on Eclipse Platform 4.18.0 and includes updates from various participating projects. You can find more details about the differences between the two releases here.
How can I update my existing Eclipse installation to Eclipse 21-03?
If you have an existing Eclipse installation that is compatible with Eclipse 21-03, you can update it to Eclipse 21-03 using the built-in update mechanism. To do so, follow these steps:
In your existing Eclipse installation, go to Help > Check for Updates. This will check for available updates and show them in a dialog box.
Select the updates that you want to install and click on Next. This will show the details and dependencies of the selected updates.
Review the details and dependencies of the selected updates and click on Next. This will show the license agreement for the selected updates.
Accept the license agreement and click on Finish. This will start the update process. You may need to restart Eclipse to complete the update.
When the update is complete, you can use your updated Eclipse installation with Eclipse 21-03 features and enhancements.
How can I uninstall Eclipse 21-03?
If you want to uninstall Eclipse 21-03, you can do so by deleting the installation folder and any related files or shortcuts. To do so, follow these steps:
Close any running instances of Eclipse 21-03.
Locate the installation folder of Eclipse 21-03 on your computer. You can find it by right-clicking on the shortcut or executable file of Eclipse 21-03 and selecting Properties.
Delete the installation folder of Eclipse 21-03 and any related files or shortcuts. You can also use a tool such as CCleaner or Revo Uninstaller to remove any leftover files or registry entries.
Restart your computer to complete the uninstallation process.
How can I get help or support for Eclipse 21-03?
If you need help or support for Eclipse 21-03, you can find various resources and channels from the official Eclipse website, such as:
The , which provides guides, tutorials, references, and FAQs for using Eclipse.
The , which provide a platform for asking questions, sharing tips, and discussing topics related to Eclipse.
The , which provides a system for reporting, tracking, and resolving issues and bugs related to Eclipse.
The , which provide a way of communicating with other users and developers of Eclipse via email.
The , which provide news, updates, events, and announcements about Eclipse via Facebook/Twitter/LinkedIn/YouTube/etc.
You can also contact us directly by sending an email to eclipse@eclipse.org or by filling out this form. We will try our best to assist you with your queries and feedback.
How can I contribute to or get involved with Eclipse 21-03?
If you want to contribute to or get involved with Eclipse 21-03, you can find various opportunities and ways from the official [user](#message Eclipse website, such as:
The , which provide the source code, documentation, and resources for the various components and features of Eclipse. You can join an existing project or propose a new one.
The , which provide a collaborative environment for developing and promoting specific domains or technologies related to Eclipse. You can join an existing working group or propose a new one.
The , which provide opportunities for networking, learning, and sharing with other Eclipse enthusiasts. You can attend an existing event or organize a new one.
The , which provides the governance, infrastructure, and support for the Eclipse community. You can become a member, a committer, a contributor, or a donor of the Eclipse Foundation.
You can also follow the , which provides a set of rules and expectations for respectful and inclusive behavior in the Eclipse community.
We welcome and appreciate your contributions and involvement with Eclipse 21-03. Together, we can make Eclipse better and stronger for everyone. 44f88ac181