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
fActionGroups.dispose();
		super.dispose();
	}
	
	/**
	 * Adds the KeyListener
	 */
	protected void addKeyListener() {
		fViewer.getControl().addKeyListener(new KeyAdapter() {
			public void keyReleased(KeyEvent event) {
				handleKeyReleased(event);
			}
		});
	}
	protected void handleKeyReleased(KeyEvent event) {
		if (event.stateMask != 0) 
			return;		
		
		int key= event.keyCode;
		IAction action;
		if (key == SWT.F5) {
			action= fBuildActionGroup.getRefreshAction();
			if (action.isEnabled())
				action.run();
		} if (event.character == SWT.DEL) {
			action= fCCPActionGroup.getDeleteAction();
			if (action.isEnabled())
				action.run();
		}
	}