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
return false;
		int type= element.getElementType();
		return type == IJavaElement.JAVA_PROJECT ||
			type == IJavaElement.PACKAGE_FRAGMENT_ROOT || 
			type == IJavaElement.PACKAGE_FRAGMENT ||
			type == IJavaElement.COMPILATION_UNIT ||
			type == IJavaElement.TYPE;
	}
	
	private void addOpenNewWindowAction(IMenuManager menu, Object element) {
		if (element instanceof IJavaElement) {
			try {
				element= ((IJavaElement)element).getCorrespondingResource();
			} catch(JavaModelException e) {
			}
		}
		if (!(element instanceof IContainer))
			return;
		menu.appendToGroup(
			IContextMenuConstants.GROUP_OPEN, 
			new PatchedOpenInNewWindowAction(getSite().getWorkbenchWindow(), (IContainer)element));
	}
	protected void createActions() {		
		fActionGroups= new CompositeActionGroup(new ActionGroup[] {
				fOpenEditorGroup= new OpenEditorActionGroup(this), 
				new OpenViewActionGroup(this), 
				new ShowActionGroup(this), 
				fCCPActionGroup= new CCPActionGroup(this), 
				new RefactorActionGroup(this),
				new ImportActionGroup(this),