Java中的DoubleStream顺序()
DoubleStream sequence()返回一个连续的 DoubleStream。它可能会返回自己,因为流已经是顺序的,或者因为基础流状态被修改为顺序。
DoubleStreamsequential() 是一个中间操作。在 Stream 实例上调用中间操作,在它们完成处理后,它们给出一个 Stream 实例作为输出。
句法 :
DoubleStream sequential()
Where, DoubleStream is a sequence of primitive
double-valued element.
返回值:一个顺序的 DoubleStream。
示例 1: DoubleStream 顺序()返回一个顺序的 DoubleStream。
// Java code for DoubleStream sequential()
// to return a sequential DoubleStream.
import java.util.*;
import java.util.stream.DoubleStream;
class GFG {
// Driver code
public static void main(String[] args)
{
// Creating an DoubleStream
DoubleStream stream = DoubleStream.of(3.3, 5.4, 9.2,
12.1, 14.4);
// Using DoubleStream sequential()
DoubleStream streamNew = stream.sequential();
// Displaying sequential DoubleStream
streamNew.forEach(System.out::println);
}
}
输出:
3.3
5.4
9.2
12.1
14.4
示例 2:空 DoubleStream 上的 DoubleStream 顺序()。
// Java code for DoubleStream sequential()
// on empty DoubleStream
import java.util.*;
import java.util.stream.DoubleStream;
class GFG {
// Driver code
public static void main(String[] args)
{
// Creating an empty DoubleStream
DoubleStream stream = DoubleStream.empty();
// To check if it is parallel or not
System.out.println("parallel : " + stream.isParallel());
stream = stream.parallel();
// To check if it is parallel or not
System.out.println("parallel : " + stream.isParallel());
stream = stream.sequential();
// To check if it is parallel or not
System.out.println("parallel : " + stream.isParallel());
}
}
输出:
parallel : false
parallel : true
parallel : false