// public static <T> Collector<T, ?, BigDecimal> summingBigDecimal(Function<? super T, BigDecimal> mapper) {} // BigDecimal 類型的集合求和 publicstatic<T> Collector<T, ?, BigDecimal> summingBigDecimal(ToBigDecimalFunction<?superT> mapper) { ...
www.dbjr.com.cn/article/2062...htm 2025-5-19