Some project types, such as Gradle or Maven projects, use arbitrary commands or plugins in project setup. You have to run arbitrary plugins to know which directories are the source directories, and you have to know which directories are the source directories to do anything in Java.

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andy_ppp 4 hours ago | parent [-]

There’s no need to run that when opening a directory is there?

	▲	direwolf20 3 minutes ago \| parent [-]
		If you just want to see the files in the directory, then sure. But VS Code is an IDE. It's made for editing software projects which have more structure than that.