weakreference

网络释义：弱引用；引用类；不固定的引用

网络释义

1.弱引用 ... ScopedPointer 作用域指针类模板 WeakReference 弱引用类模板 Component::SafePointer 组件::安全指针类模 …

6.弱可触及3. 弱可触及 (WeakReference) 垃圾收集器必须归还弱可触及对象所占据的内存。

1.This situation indicates that the MyObject object, whose reference was originally held by the WeakReference object, is no longer available.这种情况表明，MyObject对象（对它的引用原来是由WeakReference对象进行的）不再可用。

2.The implementation of WeakHashMap illustrates a common idiom with weak references -- that some internal object extends WeakReference.WeakHashMap的实现展示了弱引用的一种常见用法——一些内部对象扩展WeakReference。

3.The WeakReference object's referent field is set to null, thereby making it not refer to the heap object any longer.WeakReference对象的referent域被设置为null，从而使该对象不再引用heap对象。