Top 50 best java classes ever

This is the output of :

curl http://static.springsource.org/spring/docs/2.5.x/api/allclas... | grep -o '<I>[A-Za-z]\+</I>'| sed 's/<.I>//g'| sed 's/<I>//g'|awk '{ print length($0),$0 | "sort -rn"}' | cut -d' ' -f2 | head -n 50