diff --git a/s-day07/src/com/inmind/stream07/LimitDemo17.java b/s-day07/src/com/inmind/stream07/LimitDemo17.java
new file mode 100644
index 0000000..4f17b06
--- /dev/null
+++ b/s-day07/src/com/inmind/stream07/LimitDemo17.java
@@ -0,0 +1,18 @@
+package com.inmind.stream07;
+
+import java.util.stream.Stream;
+
+/*
+Stream流中的常用方法_limit
+Stream<T> limit(long maxSize) 返回由此流的元素组成的流，截短长度不能超过 maxSize 。
+将指定的流的前几个元素，组成一个新的流
+ */
+public class LimitDemo17 {
+    public static void main(String[] args) {
+        Stream<Integer> stream = Stream.of(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
+        //我只要前5个元素，并计数
+        Stream<Integer> newStream = stream.limit(5);
+//        System.out.println(newStream.count());
+        newStream.forEach(i-> System.out.println(i));
+    }
+}