垃圾收集何时在java中工作? [英] When does garbage collection work in java?
问题描述
我知道有很多关于java垃圾收集的文章,但是在搜索之后,我并不完全知道在java应用程序中运行垃圾收集时的情况(当应用程序重新启动或者它仍在运行时)。
线程停止。
JVM控制垃圾收集器;它决定何时运行垃圾收集器。 JVM在意识到内存不足时运行
垃圾收集器。 GC的行为可以通过将参数传递给 JVM
来进行调整。
可以从java程序中的
请求垃圾收集,但不能保证这个请求将由
处理jvm.Check 如何在Java中强制垃圾收集?
I knew that there are a lot of articles about java garbage collection but after searching I don't know exactly "when dose the garbage collection run in a java application?(when the application restart or while it still running)".
Garbage Collector
is a dameon thread. A dameon thread runs behind the application. It is started by JVM. The
thread stops when all non-dameon threads stop.
The JVM controls the Garbage Collector; it decides when to run the Garbage Collector. JVM runs
the Garbage Collector when it realizes that the memory is running low. The behavior of GC can
be tuned by passing parameters to JVM
.
One can request the Garbage Collection to happen from within the java program but there is no guarantee that this request will be taken care of by jvm.Check How to force garbage collection in Java?
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