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Levi Cooper

Java Development Tools for Eclipse 2020-09: Features and Benefits


Eclipse 2020-09 Download: How to Install and Use the Latest Eclipse IDE




Eclipse is one of the most popular and powerful integrated development environments (IDEs) for Java, C/C++, PHP, Web, and many other languages. It provides a rich set of tools, plugins, frameworks, and features that make coding easier, faster, and more enjoyable.


In this article, we will show you how to download and install the latest version of Eclipse, called Eclipse 2020-09, which was released on September 16, 2020. We will also show you how to use some of the main features and functions of this IDE. By the end of this article, you will be able to start developing your own applications with Eclipse 2020-09.




eclipse 2020-09 download



What is Eclipse 2020-09?




Eclipse 2020-09 is the latest release of the Eclipse IDE, which is part of the Eclipse Simultaneous Release cycle. This means that every three months, a new version of Eclipse is released with updates, bug fixes, enhancements, and new features from various participating projects and packages.


The main features and improvements of Eclipse 2020-09




Some of the main features and improvements of Eclipse 2020-09 are:



  • The Eclipse Installer 2020-09 R now includes a Java Runtime Environment (JRE) for macOS, Windows, and Linux. This makes it easier to install and update your Eclipse Development Environment without worrying about installing a separate JRE.



  • The Eclipse Platform has improved its support for Java 14 and Java 15, including new quick fixes, content assist, refactorings, formatting, and debugging features. It also has improved its dark theme, performance, usability, accessibility, and stability.



  • The Eclipse CDT (C/C++ Development Tooling) has added support for C++20 features, such as concepts, modules, coroutines, designated initializers, and more. It also has improved its code analysis, code generation, code formatting, code navigation, code completion, debugging, testing, and build tools.



  • The Eclipse JDT (Java Development Tools) has added support for Java modules in Maven projects, improved its support for Java annotations in class files and source code, enhanced its code completion proposals for lambda expressions and method references, added new quick fixes and refactorings for Java code, improved its test runner view and JUnit integration, and more.



  • The Eclipse Web Tools Platform has added support for Jakarta EE 9 specifications, improved its support for Java EE 8 specifications, enhanced its validation, content assist, syntax highlighting, formatting, refactoring, debugging, testing, deployment tools for web development languages such as HTML5, CSS3, JavaScript/TypeScript/JSON/YAML/Markdown/XML/JSP/JSF/JSTL/EL/JPA/JAX-RS/JAX-WS/SOAP/REST/WSDL/Swagger/OpenAPI/Angular/React/Kubernetes/Docker/Maven/Gradle/Git/Terminal/Server Tools/RSE/Terminal/Remote System Explorer/Web Server Management tools.



  • The Eclipse Papyrus project has added support for SysML v2 prototype implementation (alpha version), improved its support for UML/SysML/MARTE/ROSMOD modeling languages and diagrams, enhanced its usability, performance, stability, and documentation.



The participating projects and packages of Eclipse 2020-09




Eclipse 2020-09 is not just a single product, but a collection of projects and packages that work together to provide a comprehensive development environment. Some of the participating projects and packages of Eclipse 2020-09 are:


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  • The Eclipse Modeling Project, which provides frameworks and tools for model-based development, such as EMF, GMF, Xtext, Xtend, Sirius, Acceleo, ATL, QVT, Ecore Tools, and more.



  • The Eclipse Mylyn Project, which provides task and application lifecycle management tools, such as Mylyn Tasks, Mylyn Context, Mylyn Reviews, Mylyn Builds, Mylyn Docs, Mylyn Wikis, and more.



  • The Eclipse PHP Development Tools Project, which provides tools for PHP development, such as PDT Editor, PDT Debugger, PDT Testing, PDT Composer, PDT Refactoring, PDT Code Analysis, PDT Code Assist, PDT Code Templates, PDT Code Generation, PDT Code Formatting, PDT Code Navigation, PDT Code Folding, PDT Code Validation, PDT Code Snippets, PDT Code Outline, PDT Code Hierarchy, PDT Code Search, PDT Code Profiling, PDT Code Coverage, and more.



  • The Eclipse Scout Project, which provides a framework for building business applications with Java and HTML5.



  • The Eclipse Xtext Project, which provides a framework for developing domain-specific languages (DSLs) and IDEs for them.



  • The Eclipse Wild Web Developer Project, which provides tools for web development with languages such as HTML5/CSS3/JavaScript/TypeScript/JSON/YAML/Markdown/XML.



  • The Eclipse Corrosion Project, which provides tools for Rust development.



  • The Eclipse Embedded CDT Project (formerly GNU MCU/ARM Eclipse), which provides tools for embedded C/C++ development.



  • The Eclipse C/C++ IDE for Arduino Project (formerly Arduino C++ IDE), which provides tools for Arduino development.



  • The Eclipse Theia Project (formerly Che), which provides a cloud-based IDE platform.



  • The Eclipse RCP Testing Tool Project (formerly Jubula), which provides tools for testing Eclipse RCP applications.



  • The Eclipse Trace Compass Project (formerly Linux Tools), which provides tools for analyzing traces and logs.



  • The Eclipse e(fx)clipse Project (formerly JavaFX), which provides tools for JavaFX development.



  • The Eclipse Sirius Project (formerly Obeo Designer), which provides tools for creating graphical modeling workbenches.



  • The Eclipse EMF Forms Project (formerly EMF Client Platform), which provides tools for creating form-based UIs based on EMF models.



How to download and install Eclipse 2020-09?




There are two main ways to download and install Eclipse 2020-09: using the Eclipse Installer 2020-09 R or using the Eclipse Packages 2020-09 R. We will explain both methods in detail below.


Using the Eclipse Installer 2020-09 R




The Eclipse Installer 2020-09 R is the easiest and recommended way to install Eclipse 2020-09. It allows you to choose from a variety of pre-configured packages that suit your needs and preferences. It also automatically installs the required JRE and updates your existing Eclipse installations if you have any. Here are the steps to use the Eclipse Installer 2020-09 R:



  • Go to the Eclipse Downloads page and click on the Eclipse Installer button. Choose the appropriate installer for your operating system (Windows/macOS/Linux) and download it.



  • Run the downloaded installer file and follow the instructions on the screen. You may need to accept some license agreements and security warnings before proceeding.



choose the Eclipse IDE for Java Developers package (or any other package that you prefer) and click on the INSTALL button. You can also click on the ADVANCED MODE button to customize your installation options, such as the installation folder, the JRE, the proxy settings, and the update sites.


  • Wait for the installer to download and install the selected package. This may take some time depending on your internet speed and the size of the package.



  • When the installation is complete, click on the LAUNCH button to start the Eclipse IDE. You can also find a shortcut to the Eclipse IDE on your desktop or in your start menu.



Using the Eclipse Packages 2020-09 R




The Eclipse Packages 2020-09 R are another way to install Eclipse 2020-09. They are zip or tar files that contain a ready-to-use Eclipse IDE with a specific set of features and plugins. They are useful if you want to have multiple versions of Eclipse on your computer or if you want to have more control over your installation process. Here are the steps to use the Eclipse Packages 2020-09 R:


Choosing the right package for your needs




The first step is to choose the right package for your needs. There are many packages available for different languages, platforms, and purposes. You can find them on the Eclipse Downloads page under the Eclipse Packages section. Some of the most common packages are:



  • Eclipse IDE for Java Developers: This package contains the essential tools for Java development, such as JDT, Maven, Git, Mylyn, and more.



  • Eclipse IDE for Java EE Developers: This package contains the tools for Java EE development, such as WTP, JPA, JSF, JAX-RS, JAX-WS, and more.



  • Eclipse IDE for C/C++ Developers: This package contains the tools for C/C++ development, such as CDT, GDB, GCC, and more.



  • Eclipse IDE for PHP Developers: This package contains the tools for PHP development, such as PDT, XDebug, Composer, and more.



  • Eclipse Modeling Tools: This package contains the tools for model-based development, such as EMF, GMF, Xtext, Sirius, and more.



  • Eclipse for RCP and RAP Developers: This package contains the tools for developing rich client applications (RCP) and rich web applications (RAP) with Eclipse.



  • Eclipse DSL Tools: This package contains the tools for developing domain-specific languages (DSLs) with Eclipse.



  • Eclipse for Testers: This package contains the tools for testing applications with Eclipse, such as JUnit, TestNG, Selenium, and more.



  • Eclipse Committers: This package contains the tools for developing Eclipse itself or contributing to Eclipse projects.



You can also create your own custom package by adding or removing features and plugins from an existing package using the Eclipse Marketplace Client or the Install New Software wizard.


Downloading and extracting the package




The next step is to download and extract the chosen package. To do this:



  • Go to the Eclipse Downloads page and click on the Eclipse Packages section. Find the package that you want and click on it. You will be redirected to a mirror site where you can download it.



  • Choose a mirror site that is close to your location and click on it. You will see a zip or tar file that contains the package. Download it to your computer.



  • Extract the zip or tar file to a folder of your choice. You can use any tool that can handle zip or tar files, such as WinZip, WinRAR, 7-Zip, or Tar. You will see a folder named eclipse that contains all the files and folders of the Eclipse IDE. You can rename or move this folder as you wish.



Running and configuring the Eclipse IDE




The final step is to run and configure the Eclipse IDE. To do this:



  • Open the eclipse folder and double-click on the eclipse.exe file (for Windows) or the eclipse file (for macOS/Linux). This will launch the Eclipse IDE.



  • The first time you run the Eclipse IDE, you will be asked to choose a workspace location. A workspace is a folder where you store your projects and settings. You can use the default location or browse to a different one. You can also check the option to use this as the default workspace and not ask again.



  • The Eclipse IDE will open and show you the welcome screen. You can explore the tutorials, samples, and documentation on this screen, or close it to access the main workbench.



  • The main workbench consists of several views, editors, toolbars, menus, and perspectives that help you develop your applications. You can customize the layout and appearance of the workbench according to your preferences.



  • You can also configure the preferences of the Eclipse IDE by going to Window > Preferences. Here you can change various settings, such as the fonts, colors, syntax highlighting, code formatting, code templates, code assist, code validation, code generation, code analysis, code refactoring, code navigation, code folding, code outline, code hierarchy, code search, code profiling, code coverage, debugging, testing, building, running, deploying, version control, task management, application lifecycle management, modeling tools, web tools, and more.



How to use Eclipse 2020-09?




Now that you have installed Eclipse 2020-09, you can start using it to develop your own applications. Here are some of the basic tasks that you can do with Eclipse 2020-09:


Creating and importing projects




A project is a container for your source files, resources, libraries, configurations, and other artifacts that are related to your application. You can create a new project or import an existing one in Eclipse 2020-09.


To create a new project:



  • Go to File > New > Project.



  • Choose the type of project that you want to create from the list of categories and subcategories. For example, if you want to create a Java project, choose the Java Project subcategory under the Java category.



  • Click on the Next button and enter the name and location of your project. You can also choose the Java Runtime Environment (JRE) and the project layout for your project.



  • Click on the Finish button and your project will be created and added to the Package Explorer view.



To import an existing project:



  • Go to File > Import.



  • Choose the source of your project from the list of categories and subcategories. For example, if you want to import a project from a local folder, choose the General > Existing Projects into Workspace subcategory.



  • Click on the Next button and browse to the folder that contains your project. You can also choose whether to copy the project into your workspace or not.



  • Select the project that you want to import and click on the Finish button. Your project will be imported and added to the Package Explorer view.



Editing and debugging code




Eclipse 2020-09 provides a powerful and versatile code editor that supports syntax highlighting, content assist, code templates, code formatting, code validation, code analysis, code refactoring, code navigation, code folding, code outline, code hierarchy, code search, code profiling, code coverage, and more. You can edit your code in different languages, such as Java, C/C++, PHP, Web, and more.


To edit your code:



  • Select a file that contains your code from the Package Explorer view and double-click on it. The file will open in the editor area.



  • You can use the toolbar buttons, menu items, keyboard shortcuts, or mouse actions to perform various editing operations on your code. For example, you can use Ctrl+Space to invoke content assist, Ctrl+Shift+F to format your code, Ctrl+1 to apply quick fixes or refactorings, F3 to go to the declaration of a variable or method, F4 to show the type hierarchy of a class or interface, F5 to refresh your project, and more.



  • You can also use the Problems view, the Markers view, the Outline view, the Hierarchy view, the Search view, the Console view, the Progress view, and other views to get more information and feedback about your code.



  • You can save your changes by clicking on the Save button or pressing Ctrl+S. You can also enable auto-save by going to Window > Preferences > General > Editors > Autosave.



To debug your code:



  • Select a file that contains your code from the Package Explorer view and right-click on it. Choose Debug As > Java Application (or any other application type that you want to debug) from the context menu. This will launch your application in debug mode and open the Debug perspective.



  • You can use the toolbar buttons, menu items, keyboard shortcuts, or mouse actions to perform various debugging operations on your code. For example, you can use F5 to step into a method, F6 to step over a line, F7 to step out of a method, F8 to resume the execution, Ctrl+Shift+B to toggle a breakpoint, Ctrl+R to run to a line, and more.



  • You can also use the Debug view, the Variables view, the Breakpoints view, the Expressions view, the Display view, the Memory view, the Registers view, and other views to get more information and feedback about your code.



  • You can terminate the debug session by clicking on the Terminate button or pressing Ctrl+F2. You can also switch back to the Java perspective by clicking on the Java button or pressing Ctrl+F8.



Building and running applications




Eclipse 2020-09 provides tools for building and running your applications with different languages, platforms, and frameworks. You can use the Project Explorer view, the Problems view, the Console view, the Progress view, and other views to manage your projects and applications. You can also use the Run Configurations dialog and the External Tools Configurations dialog to customize how you want to run your applications.


To build your application:



  • Select your project from the Project Explorer view and right-click on it. Choose Build Project from the context menu. This will compile your source files and generate any required artifacts for your application.



  • You can also enable auto-build by going to Project > Build Automatically. This will build your project whenever you save a file or make a change.



  • You can also clean your project by going to Project > Clean. This will delete any generated artifacts and rebuild your project from scratch.



  • You can also configure your build settings by going to Project > Properties > Builders. Here you can add, remove, edit, or reorder the builders that are used for your project.



To run your application:



Select your project or a file that contains your main class or method from the Project Explorer view and right-click on it. Choose Run As > Java Application (or any other application type that you want t


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