Bug 45062 Don't filter output folder and class files
Create a Java project with source folder src and output folder bin. The bin folder will not be shown in the Packages Explorer. Create a Java project with source folder src and output folder output/bin. The output and bin folders are shown in the Packages Explorer. Implictly filtering out bin is confusing and inconsistent. A better way to do this would be to use a name filter for bin or add "Output folder" to the list of available filters.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerPart.java
}
				}
			}
		}
		
		return new StructuredSelection(elements);
	}
	
	private boolean containsResources(Object[] elements) {
		for (int i = 0; i < elements.length; i++) {
			Object o= elements[i];
			if (!(o instanceof IJavaElement)) {
				if (o instanceof IResource)
					return true;
				if ((o instanceof IAdaptable) && ((IAdaptable)o).getAdapter(IResource.class) != null)
					return true;
				}
		}
		return false;
	}
	
	public void selectAndReveal(Object element) {
		selectReveal(new StructuredSelection(element));
	}
	
	boolean isLinkingEnabled() {
		return fLinkingEnabled;
	}
	
	/**