From 36147197d7d5de1809b872d8a654719e26653df8 Mon Sep 17 00:00:00 2001
From: haiqiang <43314997+Goose9527@users.noreply.github.com>
Date: Sun, 10 Mar 2019 22:52:06 +0800
Subject: [PATCH] =?UTF-8?q?Update=20Lambda=E8=A1=A8=E8=BE=BE=E5=BC=8F.md?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../What's New in JDK8/Lambda表达式.md     | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/Java相关/What's New in JDK8/Lambda表达式.md b/Java相关/What's New in JDK8/Lambda表达式.md
index bf27300f..a7ef7f93 100644
--- a/Java相关/What's New in JDK8/Lambda表达式.md	
+++ b/Java相关/What's New in JDK8/Lambda表达式.md	
@@ -60,3 +60,29 @@ public interface Runnable {
   - ```Predicate<T> {boolean test(T t);}``` 判断，接受一个T对象，返回一个布尔值。
   - ```Supplier<T> {T get();} 提供者(工厂)``` 返回一个T对象。
   - 其他的跟上面的相似，大家可以看一下function包下的具体接口。
+## 4.变量作用域
+```java
+public class VaraibleHide {
+    @FunctionalInterface
+    interface IInner {
+        void printInt(int x);
+    }
+    public static void main(String[] args) {
+        int x = 20;
+        IInner inner = new IInner() {
+            int x = 10;
+            @Override
+            public void printInt(int x) {
+                System.out.println(x);
+            }
+        };
+        inner.printInt(30);
+        inner = (s) -> {
+            //!int x = 10;
+            //!x= 50; error
+            System.out.print(x);
+        };
+        inner.printInt(30);
+    }
+}
+```