From fa803c94cc7939bdc5f04a2fdf2a8fd66c127eb1 Mon Sep 17 00:00:00 2001
From: Qimiao Chen <chenqimiao1994@126.com>
Date: Wed, 1 Apr 2020 11:25:43 +0800
Subject: [PATCH] Polish Javadoc in LRUCache

---
 docs/high-concurrency/redis-expiration-policies-and-lru.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/docs/high-concurrency/redis-expiration-policies-and-lru.md b/docs/high-concurrency/redis-expiration-policies-and-lru.md
index 9fea56c..9a3697a 100644
--- a/docs/high-concurrency/redis-expiration-policies-and-lru.md
+++ b/docs/high-concurrency/redis-expiration-policies-and-lru.md
@@ -62,10 +62,14 @@ class LRUCache<K, V> extends LinkedHashMap<K, V> {
         CACHE_SIZE = cacheSize;
     }
 
+    /**
+     * 钩子方法，通过put新增键值对的时候，若该方法返回true
+     * 便移除该map中最老的键和值
+     */
     @Override
     protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {
         // 当 map中的数据量大于指定的缓存个数的时候，就自动删除最老的数据。
         return size() > CACHE_SIZE;
     }
 }
-```
\ No newline at end of file
+```