From f23b71ec1053b4e99327c61b9ee9042a0c9bc2ae Mon Sep 17 00:00:00 2001
From: dongfu <995253883@qq.com>
Date: Sun, 17 May 2020 09:29:53 +0800
Subject: [PATCH] fix a bug: compareTo implement.

---
 docs/java/collection/Java集合框架常见面试题.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/docs/java/collection/Java集合框架常见面试题.md b/docs/java/collection/Java集合框架常见面试题.md
index c664ca8f..42bcf056 100644
--- a/docs/java/collection/Java集合框架常见面试题.md
+++ b/docs/java/collection/Java集合框架常见面试题.md
@@ -384,10 +384,11 @@ public  class Person implements Comparable<Person> {
         // TODO Auto-generated method stub
         if (this.age > o.getAge()) {
             return 1;
-        } else if (this.age < o.getAge()) {
+        }
+        if (this.age < o.getAge()) {
             return -1;
         }
-        return age;
+        return 0;
     }
 }