Without src.zip being in the JDK, most of the Java API documentation does not show up in VS Code. Some of it is actually provided by the Java extensions, but most of it isn't. And jumping back and forth between the online Java API documentation in a browser and VS Code is a bit of hassle. Copying src.zip into the lib folder of the bundled JDK brings the documentation into VS Code, eliminating the need to pull up the API docs separately.
Without src.zip:
With src.zip:
Without src.zip being in the JDK, most of the Java API documentation does not show up in VS Code. Some of it is actually provided by the Java extensions, but most of it isn't. And jumping back and forth between the online Java API documentation in a browser and VS Code is a bit of hassle. Copying src.zip into the lib folder of the bundled JDK brings the documentation into VS Code, eliminating the need to pull up the API docs separately. Without src.zip:
With src.zip:
