Top 50 best java classes ever

This is the output of :<p>curl <a href="http://static.springsource.org/spring/docs/2.5.x/api/allclasses-frame.html" rel="nofollow">http://static.springsource.org/spring/docs/2.5.x/api/allclas...</a> | grep -o '&#60;I&#62;[A-Za-z]\+&#60;/I&#62;'| sed 's/&#60;.I&#62;//g'| sed 's/&#60;I&#62;//g'|awk '{ print length($0),$0 | "sort -rn"}' | cut -d' ' -f2 | head -n 50