java decimal相加,使用流和求和方法的BigDecimal List的总和

If we have all int or long or other primitive datatype value in list then we obtain sun of all values using

return items.stream().mapToInt(i -> i).sum();

I have list of BigDecimal values,how to find the sum of all values using Java8

As there is no default method like mapToBigDecimal I tried to create plain map but then I cannot use sum()

解决方案

List items = Arrays.asList(BigDecimal.ONE, BigDecimal.valueOf(1.5), BigDecimal.valueOf(100));

items.stream().reduce(BigDecimal.ZERO, BigDecimal::add);

Though Answer provided by Lisq199 works but I am in favor of including Holger and Klitos comments,This handles No values and always returns a value