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.There's a big difference between the Ask Toolbar and the other two mentioned.
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.
There used to be but it's just as safe as the others now.
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