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update linkedhashmap-source-code.md

This commit is contained in:
jun 2023-08-02 10:39:56 +08:00
parent 07a085285b
commit 7efbe3a468

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@ -118,6 +118,7 @@ LRUCache < Integer, String > cache = new LRUCache < > (2);
cache.put(1, "one");
cache.put(2, "two");
cache.put(3, "three");
cache.put(4, "four");
for (int i = 0; i < 4; i++) {
System.out.println(cache.get(i));
}
@ -129,6 +130,7 @@ for (int i = 0; i < 4; i++) {
null
null
three
four
```
从输出结果来看,由于缓存容量为 2 ,因此,添加第 3 个元素时,第 1 个元素会被删除。添加第 4 个元素时,第 2 个元素会被删除。