Showing an Element in the Package Explorer View
    
    
      You can reveal an element's location in the Package Explorer view
    
    
      - Select a Java element or activate a Java editor.
      
- From the menu bar, select Navigate > Show
      In > Package Explorer. If the Package
      Explorer is not already open, then it opens in the current perspective.
      The workbench navigates to the selected element (or the edited
      compilation unit).
      
- From the Java editor's pop-up menu, select Show In >
      Package Explorer. The currently edited compilation unit will be
      revealed.
      
      Note: The element might not be revealed if Package
      Explorer filters are active or the Show Members in Package
      Explorer preference is cleared on the 
       Java >
      Appearance preference page.
 Java >
      Appearance preference page.
    
    
      Java views
    
      Setting execution arguments
    
      Java
      preference page
      Package
      Explorer