List of usage examples for java.util.stream LongStream average
OptionalDouble average();
From source file:Main.java
public static void main(String[] args) { LongStream b = LongStream.of(1L, 2L, Long.MAX_VALUE, Long.MIN_VALUE); OptionalDouble o = b.average(); if (o.isPresent()) { System.out.println(o.getAsDouble()); } else {/*from ww w. ja va 2 s .com*/ System.out.println("no value"); } }