Set up an IDE

You need to set up a development environment using an Integrated Development Environment (IDE) like IntelliJ IDEA or Eclipse. Here’s a step-by-step guide for both processes.

IntelliJ IDEA

Download IntelliJ IDEA

• Go to the IntelliJ IDEA download page.
• Choose the Community edition (free) and download the installer.

Install IntelliJ IDEA

• Run the downloaded installer and follow the prompts to install the IDE.

Configure IntelliJ IDEA

• Open IntelliJ IDEA.
• On the welcome screen, select Create New Project.
• Choose Java from the options on the left and select the JDK you installed.
• Click Next, name your project, and choose a location. Click Finish.

Create Your First Java Project

• Go to File > New Project.
• Select Java, choose your SDK, and click Next.
• Name your project (e.g., HelloWorld) and click Finish.
• Right-click on the src folder, select New > Java Class.
• Write your Java code in the class file and run it by clicking the green run button in the toolbar.

Eclipse

Download Eclipse IDE

• Go to the Eclipse download page.
• Choose the package suitable for Java developers and download the installer.

Install Eclipse

• Run the downloaded installer and follow the prompts to install Eclipse.

Configure Eclipse

• Open Eclipse. The first time you run it, you’ll be prompted to select a workspace directory.
• Choose a location for your workspace where your projects will be stored.

Create Your First Java Project

• Go to File > New > Java Project.
• Name your project (e.g., HelloWorld) and click Finish.
• Right-click on the src folder, select New > Class.
• Write your Java code in the generated class file and run it by clicking the green run button in the toolbar.