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Merge pull request #46 from rayworks/master

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update the code related to 'SoftReference' usage
This commit is contained in:
CyC2018
2018-03-13 10:22:30 +08:00
committed by GitHub
parent 6751736cf2 95581d9b76
commit 170adc83fb
1 changed files with 3 additions and 1 deletions
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notes/JVM.md
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@ -171,7 +171,7 @@ Object obj = new Object();
```java ```java
Object obj = new Object(); Object obj = new Object();
WeakReference<Object> wf = new WeakReference<Object>(obj); SoftReference<Object> sf = new SoftReference<Object>(obj);
``` ```
#### 1.3.3 弱引用 #### 1.3.3 弱引用
@ -689,3 +689,5 @@ protected synchronized Class<?> loadClass(String name, boolean resolve) throws C
```java ```java
java -Xmx12m -Xms3m -Xmn1m -XX:PermSize=20m -XX:MaxPermSize=20m -XX:+UseSerialGC -jar java-application.jar java -Xmx12m -Xms3m -Xmn1m -XX:PermSize=20m -XX:MaxPermSize=20m -XX:+UseSerialGC -jar java-application.jar
``` ```