![]() To create the standard Java main method, type main. This moves the caret to the next line in the correct position and won't break the previous line. You can move on to the next line in a class file by pressing Shift+ Enter. For example, the package statement and class declaration, the class has the same name as the file. It has also created a new HelloWorld.java file and generated the basic contents of this class file. When you press Enter IntelliJ IDEA will create the package you wanted, and the correct directory structure for this package that you specified. Here, example might be your preferred domain and HelloWorld is the name of your Java class that IntelliJ IDEA will create. You can type a simple class name in here, but if you want to create a new class in a particular package, you can type the whole package path separated by dots, followed by the class name. To create a new class, select the blue src folder and press Cmd+ N on macOS, or Alt+ Insert on Windows/Linux.They are useful for organising large applications that might have hundreds of classes. Application packages are used to group together classes that belong to the same category or provide similar functionality. Next, you're going to create the package and the class. You can also toggle the display of this tool window with Cmd+ 1 on macOS, or Alt+ 1 on Windows/Linux. Of course, you can use the mouse to navigate the Project window, but you can also use the arrow keys. The project window shows all the directories and the files that make up our projects. We recommend putting IntelliJ IDEA into full screen to give you the maximum amount of space for your new Hello World project.
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