The /src folder contains all the sources, i.e. the code which is required to be manipulated before it can be used. Depending on the project, the /src folder may contain only the pure sources, or the non-minified versions. So, the /src folder is primarily used to store the source code files before any minification.

What is the src folder in eclipse?

Whenever you make a project inside of Eclipse, Eclipse will auto-magically create a new folder in your workspace with the same name. Inside of that folder it will create two folders: bin, and src (source). The bin folder can be ignored. This is nothing more than the folder in which Eclipse stores the .

What is a source folder?

Source folders are a way to cut down on a project's indexing scope. You can mark the folders that are part of your day to day work or part of a subsystem that you work on. All files inside source folders will be indexed and are, thus, searchable.