From f9e6114a2be7dd4a15f327653a7f476c28302ddc Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sun, 9 Aug 2026 09:43:25 +0800
Subject: [PATCH] =?UTF-8?q?s-day07-=20=E6=8A=8AStream=E4=B8=AD=E7=9A=84?=
 =?UTF-8?q?=E6=95=B0=E6=8D=AE=E6=94=B6=E9=9B=86=E5=88=B0=E9=9B=86=E5=90=88?=
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---
 s-day07/src/com/inmind/stream07/Demo22.java | 31 +++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 s-day07/src/com/inmind/stream07/Demo22.java

diff --git a/s-day07/src/com/inmind/stream07/Demo22.java b/s-day07/src/com/inmind/stream07/Demo22.java
new file mode 100644
index 0000000..8acc0aa
--- /dev/null
+++ b/s-day07/src/com/inmind/stream07/Demo22.java
@@ -0,0 +1,31 @@
+package com.inmind.stream07;
+
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+/*
+把Stream中的数据收集到集合
+Stream接口的一个方法collect
+     R collect(Collector collector) 使用 Collector对此流的元素执行 mutable reduction操作。
+
+    Collector：表示收集者是一个接口。它的实现类对象，我们直接使用工具类获取
+    Collectors:
+        toList():List集合的收集者
+        toSet():Set集合的收集者
+
+
+ */
+public class Demo22 {
+    public static void main(String[] args) {
+        Stream<Integer> stream = Stream.of(1, 2, 3, 4, 5,5,5);
+        //收集到List集合
+        List<Integer> list = stream.collect(Collectors.toList());
+        System.out.println(list);
+        //收集到Set集合
+        Stream<Integer> stream1 = Stream.of(1, 2, 3, 4, 5, 4, 5);
+        Set<Integer> set = stream1.collect(Collectors.toSet());
+        System.out.println(set);
+    }
+}