How is the class file generated from the idea?

To generate class files for the Idea project, you can follow these steps:

1. Open the Idea project and make sure that the Java code has been written in the project.
2. Choose the “Build” option from the menu bar in Idea.
3. Choose the “Build Project” option from the drop-down menu, or simply use the shortcut Ctrl + F9.
4. The idea will automatically compile the project and generate the corresponding class files.
5. the production folder

Please note that during the process of generating class files, Idea will automatically perform code inspection and compilation. If there are any compilation errors, corresponding prompt messages will be provided during the compilation process. Ensure that there are no compilation errors in the Java code of the project in order to successfully generate the class files.