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
public String getTitleToolTip() {
		if (fViewer == null)
			return super.getTitleToolTip();
		return getToolTipText(fViewer.getInput());
	}
	protected final StructuredViewer getViewer() {
		return fViewer;
	}
	protected ILabelProvider createLabelProvider() {
		return new AppearanceAwareLabelProvider(
						AppearanceAwareLabelProvider.DEFAULT_TEXTFLAGS,
						AppearanceAwareLabelProvider.DEFAULT_IMAGEFLAGS | JavaElementImageProvider.SMALL_ICONS,
						AppearanceAwareLabelProvider.getDecorators(true, null)
						);
	}
	protected ILabelProvider createTitleProvider() {
		return new JavaElementLabelProvider(JavaElementLabelProvider.SHOW_BASICS | JavaElementLabelProvider.SHOW_SMALL_ICONS);
	}
	protected final ILabelProvider getLabelProvider() {
		return fLabelProvider;
	}
	protected final ILabelProvider getTitleProvider() {
		return fTitleProvider;
	}
	/**
	 * Creates the the viewer of this part.
	 * 
	 * @param parent	the parent for the viewer
	 */