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These maps hold weak references to allow tracked objects like connections to be garbage collected when they are referenced only by the aspect.
这些图持有弱引用,允许连接这样的被跟踪对象在只有方面引用它们的时候,被垃圾收集掉。
In a purely garbage collected system, a circular reference is not a problem: If neither of the objects involved is referenced by any other object, then both are garbage collected.
在纯垃圾收集系统中,循环引用问题不大:若涉及到的两个对象中的一个对象被任何其他对象引用,那么这两个对象都将被垃圾收集。
Unfortunately, an associated downside to increased heap size is a corresponding increase in the amount of time needed to find and process objects that should be garbage collected.
遗憾的是,增加堆大小的一个缺点是查找和处理需要垃圾收集的对象所需的时间也会随之增加。
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