eclipse navigator deprecated

1. Click Window->Show View->Project Explorer

2. Click the three vertical dots in the top right corner of the Project Explorer Pane.

3. Click "Filters and Customization..."

4. In the "Pre-set filters" tab, uncheck "Java output folders" (thanks osoblanco for this tip)

5. In the "Content" tab, uncheck "Java Elements"

https://stackoverflow.com/questions/60962386/why-is-eclipse-removing-the-navigator-view

Why is eclipse removing the navigator view?