I never got the point of these utterly useless toolbars. I mean, why the hell would i want some stupid additional toolbar if all browsers already have their own search field or they proide that directly from the address bar. It’s like fitting a 5th wheel on a car. Absolutely pointless.
More and more things are including either the Ask toolbar, Google toolbar, or Bing bar. While they are harmless and some people may like them, I never accept any of them.
As far as Java goes, I would say that yes, you do need it. It doesn’t get used often these days but can prove useful.