Java exploits get fixed pretty fast.. except in Apple products because apple insist on having their own "iJava" lol
No Script is where its at folks. Pre-emptively blocks malicious scripts and allows JavaScript, Java and other potentially dangerous content only from sites you trust. Install it and use it. http://noscript.net/
Yes, except Apple handed off doing Java updates on its own to Oracle over a year ago, removed Java from its default OS install over two years ago and disabled its Java browser plugin over two months ago, so....