Bug 12049 Java Browing is not saving its state.
Open a java browing perspective. Select a project, package and type. Exit the workspace Re-start it. The selected project,package and type are not selected anymore.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/browsing/JavaBrowsingPart.java
if (fMemento != null)
			restoreState(fMemento);
		fMemento= null;
		getSite().setSelectionProvider(fViewer);
		
		
		IStatusLineManager slManager= getViewSite().getActionBars().getStatusLineManager();
		fViewer.addSelectionChangedListener(new StatusBarUpdater(slManager));
	
		
		hookViewerListeners();
		
		addFilters();
		
		fViewer.setContentProvider(createContentProvider());
		setInitialInput();
		
		initDragAndDrop();
		
		
		setInitialSelection();
		
		
		getViewSite().getWorkbenchWindow().getSelectionService().addPostSelectionListener(this);
		getViewSite().getPage().addPartListener(fPartListener);
		
		fillActionBars();
		
		setHelp();
	}