Java stream BigDecimal 求和

Java stream BigDecimal 求和

public static void main(String[] args) {
    List<BigDecimal> list= Arrays.asList(new BigDecimal(12),new BigDecimal(33),new BigDecimal(55));
    BigDecimal reduce = list.stream().reduce(BigDecimal.ZERO, BigDecimal::add);
    System.out.println(reduce);
}

reduce 第一个参数标识保留几位小数，第二个参数就是运算法则

stream 求和 stream求和

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