question: public static < T extends Object & java . lang . Comparable < ? super T > > T max ( Collection < ? extends T > collection ) { Iterator < ? extends T > it = collection . iterator ( ) ; T max = it . next ( ) ; if ( NumberComparator . isNumber ( max ) ) { return ( T ) max ( collection , NumberComparator . createComparator ( max . getClass ( ) ) ) ; } while ( it . hasNext ( ) ) { T next = it . next ( ) ; if ( max . compareTo ( next ) < 0 ) { max = next ; } } return max ; }
target:  Searches the specified collection for the maximum element.