From a07cd63cc7f183ead14e76405d8ba943b25b464b Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sat, 14 Mar 2026 13:32:49 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=9B=E9=98=B6day06-Function=E4=B8=AD?=
 =?UTF-8?q?=E7=9A=84andThen=E6=96=B9=E6=B3=95(=E6=95=B4=E5=90=88=E5=B7=A5?=
 =?UTF-8?q?=E5=8E=82)?=
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---
 .../inmind/functional_interface02/Demo14.java | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 javaSE-day07/src/com/inmind/functional_interface02/Demo14.java

diff --git a/javaSE-day07/src/com/inmind/functional_interface02/Demo14.java b/javaSE-day07/src/com/inmind/functional_interface02/Demo14.java
new file mode 100644
index 0000000..78f025b
--- /dev/null
+++ b/javaSE-day07/src/com/inmind/functional_interface02/Demo14.java
@@ -0,0 +1,39 @@
+package com.inmind.functional_interface02;
+
+import java.util.function.Function;
+
+/*
+    学习内容：Function中的andThen方法
+
+    default <V> Function<T,V> andThen(Function after) 合并2个Function接口，生成一个新的，先执行this的apply方法，再执行after的apply方法
+    default <V> Function<V,R> compose(Function before) 与以上的方法完全相反
+
+    需求：
+        1."10"->10
+        2.10->100
+    分析：
+        1.一个Function 将"10" 转换成10
+        2.另一个Function 将10 转换成100
+
+ */
+public class Demo14 {
+    public static void main(String[] args) {
+        method( s->Integer.parseInt(s),
+                i->i*10
+                ,"10"
+        );
+    }
+
+    //定义一个方法，接收2个数据工厂，1个数据原料，打印最终结果，不需要返回值
+    public static void method(Function<String,Integer> function1 ,Function<Integer,Integer> function2,String s) {
+        /*Integer result1 = function1.apply(s);
+        Integer result2 = function2.apply(result1);*/
+       /* Integer result2 = function2.apply(function1.apply(s));
+        System.out.println(result2);*/
+
+        /*default <V> Function<T,V> andThen(Function after) 合并2个Function接口，
+        生成一个新的，先执行this的apply方法，再执行after的apply方法*/
+
+        System.out.println(function1.andThen(function2).apply(s));
+    }
+}