Java 中的 LongStream rangeClosed()

原文:https://www.geeksforgeeks.org/longstream-rangeclosed-java/

LongStream range closed(long start inclusive，long endInclusive) 返回一个从 startInclusive(包含)到 endInclusive(包含)的 LongStream，增量步长为 1。

语法:

static LongStream rangeClosed(long startInclusive, long endInclusive)

参数:

  1. longstream: The sequence of original long-value elements.
  2. 开始包含:包含初始值。
  3. 结束时间:包含上限。

返回值:长元素范围的连续长流。

例:

// Implementation of LongStream rangeClosed
// (long startInclusive, long endInclusive)
import java.util.*;
import java.util.stream.LongStream;

class GFG {

    // Driver code
    public static void main(String[] args)
    {
        // Creating an LongStream
        LongStream stream = LongStream.rangeClosed(-4L, 3L);

        // Displaying the elements in range
        // including the lower and upper bound
        stream.forEach(System.out::println);
    }
}

输出:

-4
-3
-2
-1
0
1
2
3

注意:LongStream range closed(long start inclusive，long endInclusive)基本上像 for 循环一样工作。递增值的等价序列可以按如下顺序产生:

for (int i = startInclusive; i <= endInclusive ; i++) 
{
 ...
 ...
 ...
}

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