import java.io.IOException;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.stream.IntStream;
import java.util.stream.Stream;
public class Streams6 {
public static void main(String[] args)
throws IOException {
test1();
test2();
test3();
test4();
}
private static void test4() {
Stream
.of(
new BigDecimal(
"1.2"),
new BigDecimal(
"3.7"))
.mapToDouble(BigDecimal::doubleValue)
.average()
.ifPresent(System.out::println);
}
private static void test3() {
IntStream
.range(
0,
10)
.average()
.ifPresent(System.out::println);
}
private static void test2() {
IntStream
.builder()
.add(
1)
.add(
3)
.add(
5)
.add(
7)
.add(
11)
.build()
.average()
.ifPresent(System.out::println);
}
private static void test1() {
int[] ints = {
1,
3,
5,
7,
11};
Arrays
.stream(ints)
.average()
.ifPresent(System.out::println);
}
}
转载于:https://www.cnblogs.com/bilaisheng/p/10210932.html
