更新弱引用

0xcaffebabe · Jul 1, 2020 · b70a190 · b70a190
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diff --git a/assets/批注 2020-07-01 142633.png b/assets/批注 2020-07-01 142633.png
diff --git a/编程语言/JAVA/JVM/垃圾回收.md b/编程语言/JAVA/JVM/垃圾回收.md
@@ -46,6 +46,10 @@ obj = null;
 - 比软引用强度更弱些
 - 只能生存到下一次垃圾收集发生之前
 
+作用在于当强引用丢失之后，这个对象就会被回收
+
+![批注 2020-07-01 142633](/assets/批注%202020-07-01%20142633.png)
+
 ### 虚引用
 
 ```java