Object>) m; Comparator<? super E> cc = (Comparator<? super E>) set.comparator(); Comparator<? super E> mc = map.comparator(); // 要是 cc 战 mc 两个
韦德亚洲注册 Object>) m; Comparator<? super E> cc = (Comparator<? super E>) set.comparator(); Comparator<? super E> mc = map.comparator(); // 如若 cc