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Get Started with Eclipse IDE 2019-03: Download, Install and Run


Introduction




Eclipse IDE is an integrated development environment that allows you to write, compile, debug, and run applications in various programming languages. It is mainly designed for Java development, but it also supports other languages such as C/C++, Python, PHP, Ruby, and more. Eclipse IDE is free, open source, and cross-platform, meaning that you can use it on Windows, Mac, Linux, or any other operating system.




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One of the main advantages of using Eclipse IDE is that it is highly customizable and extensible. You can choose from different packages that suit your needs, or you can install additional plugins from the or other sources. You can also configure your preferences, views, perspectives, editors, and tools to create your own personalized development environment.


Some of the main features of Eclipse IDE are:


  • A powerful code editor with syntax highlighting, code folding, auto-indentation, error detection, content assist, quick fix, refactoring, code templates, and more.



  • A rich set of tools for building, running, testing, debugging, profiling, and deploying applications.



  • A comprehensive support for Java development, including JDT (Java Development Tools), Maven integration, JUnit integration, Git integration, Java EE tools, Spring tools, Hibernate tools, and more.



  • A flexible support for other languages and frameworks through plugins, such as CDT (C/C++ Development Tools), PyDev (Python Development Tools), PDT (PHP Development Tools), WTP (Web Tools Platform), RCP (Rich Client Platform), RAP (Remote Application Platform), and more.



  • A modular architecture based on OSGi (Open Services Gateway Initiative) that allows you to add or remove features as needed.



How to Download and Install Eclipse on Windows




In this section, I will show you how to download and install Eclipse IDE on Windows. The steps are similar for other operating systems.


Step 1: Go to the Eclipse website and choose a package




The first step is to go to the and click on the Download button. You will see a list of different packages that you can choose from. Each package contains a set of plugins that are suitable for a specific type of development. For example, if you want to use Eclipse IDE for Java development only, you can choose the Eclipse IDE for Java Developers package. If you want to use Eclipse IDE for multiple languages or frameworks, you can choose the Eclipse IDE for Enterprise Java Developers package or the Eclipse Installer package.


For this tutorial, I will choose the Eclipse IDE for Java Developers package. You can click on the Download x86_64 button to download the package for your system architecture. Alternatively, you can click on the More Downloads link to see more options.


Step 2: Run the Eclipse installer and select a folder




The next step is to run the Eclipse installer that you have downloaded. You may get a security warning to run this file. If the publisher is the Eclipse Foundation, you can click on Run. The installer will start and show you a welcome screen. You can click on the Eclipse IDE for Java Developers icon to proceed. You will be asked to select a folder where you want to install Eclipse. You can choose the default folder or browse to another location. You can also change the name of the folder if you want. Click on the Install button to start the installation.


Step 3: Launch Eclipse and choose a workspace




The final step is to launch Eclipse and choose a workspace. A workspace is a folder where you store your projects and settings. You can have multiple workspaces and switch between them as needed. You will see a dialog box asking you to select a workspace. You can choose the default workspace or browse to another location. You can also check the Use this as the default and do not ask again option if you don't want to see this dialog box again. Click on the Launch button to start Eclipse.


You will see the Eclipse welcome screen with some information and tutorials. You can close this screen by clicking on the Workbench icon in the top right corner. You will then see the Eclipse workbench with different views and editors. You are now ready to create your first Java project in Eclipse.


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How to Create a Simple Java Project in Eclipse




In this section, I will show you how to create a simple Java project in Eclipse. A project is a collection of files and folders that are related to a specific application or task. You can have multiple projects in your workspace and manage them using the Project Explorer view.


Step 1: Create a new Java project




The first step is to create a new Java project. You can do this by clicking on the File menu and selecting New > Project. You will see a dialog box with different types of projects that you can create. Expand the Java category and select Java Project. Click on the Next button to continue.


You will be asked to enter some details about your project, such as the name, location, execution environment, and module system. For this tutorial, I will use the following settings:


  • Name: HelloWorld



  • Location: Use default location



  • Execution environment: JavaSE-11



  • Module system: Don't create module-info.java file



You can leave the other options as they are or change them according to your preferences. Click on the Finish button to create your project.


Step 2: Add a new class with a main method




The next step is to add a new class with a main method. A class is a blueprint for creating objects that have attributes and behaviors. A main method is a special method that is executed when you run your program.


You can add a new class by right-clicking on the src folder in your project and selecting New > Class. You will see a dialog box where you can enter some details about your class, such as the name, package, modifiers, superclass, interfaces, and methods.


For this tutorial, I will use the following settings:


  • Name: HelloWorld



  • Package: com.example.helloworld



  • Modifiers: public



  • Superclass: java.lang.Object (default)



  • Interfaces: none



  • Methods: public static void main(String[] args)



You can leave the other options as they are or change them according to your preferences. Click on the Finish button to create your class. Step 3: Write some code and run the program




The final step is to write some code and run the program. You can write your code in the editor that opens when you create your class. You can use the content assist feature to help you with code completion and suggestions. You can also use the quick fix feature to correct errors and refactor your code.


For this tutorial, I will write a simple code that prints "Hello, world!" to the console. You can type or copy and paste the following code in your editor:


package com.example.helloworld; public class HelloWorld public static void main(String[] args) // Print a message to the console System.out.println("Hello, world!");


You can run your program by clicking on the Run button in the toolbar or by pressing Ctrl+F11. You will see a console view at the bottom of the workbench where you can see the output of your program. You should see something like this:


Hello, world!


Congratulations! You have successfully created and run your first Java program in Eclipse.


How to Use Some Tips and Tricks in Eclipse




In this section, I will show you some tips and tricks that can make your coding experience in Eclipse more productive and enjoyable. These are just some of the many features that Eclipse offers, so feel free to explore and discover more on your own.


Tip 1: Use content assist for code completion and suggestions




Content assist is a feature that helps you write code faster and easier by providing you with suggestions and completions based on the context of your code. You can invoke content assist by pressing Ctrl+Space or by typing a dot (.) after an object or a class name. You will see


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