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
new GenerateActionGroup(this),
				fBuildActionGroup= new BuildActionGroup(this),
				new JavaSearchActionGroup(this)});
		String viewId= getConfigurationElement().getAttribute("id"); 
		Assert.isNotNull(viewId);
		
		IPropertyChangeListener titleUpdater= new IPropertyChangeListener() {
			public void propertyChange(PropertyChangeEvent event) {
				String property= event.getProperty();
				if (IWorkingSetManager.CHANGE_WORKING_SET_NAME_CHANGE.equals(property))
					updateTitle();
			}
		};
		if (fHasWorkingSetFilter)
			fWorkingSetFilterActionGroup= new WorkingSetFilterActionGroup(fViewer, viewId, getShell(), titleUpdater);
	}
	
	/**
	 * Returns the shell to use for opening dialogs.
	 * Used in this class, and in the actions.
	 */
	private Shell getShell() {
		return fViewer.getControl().getShell();
	}
	protected final Display getDisplay() {
		return fViewer.getControl().getDisplay();
	}	
	/**
	 * Returns the selection provider.
	 */