你即將離開本站

並前往https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html

Stream (Java Platform SE 8 ) - Oracle Help Center

int sum = widgets.stream() .filter(w -> w.getColor() == RED) .mapToInt(w -> w.getWeight()) .sum(); In this example, widgets is a Collection<Widget> . We create ...

確定！ 回上一頁

查詢 「Java Stream sum」的人也找了：

  1. Java Stream sum BigDecimal
    2.
  2. Java stream group by sum
    3.
  3. Stream sum long java
    4.
  4. Java Stream reduce
    5.
  5. Java Stream sum multiple fields
    6.
  6. Java intstream sum
    7.
  7. Java stream average
    8.
  8. Java math sum
    9.