软件包 | 描述 |
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java.lang.ref |
提供参考对象类,该类支持与垃圾收集器的交互作用有限的程度。
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Constructor and Description |
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PhantomReference(T referent, ReferenceQueue<? super T> q)
创建一个新的幽灵参考,指给定的对象,并与给定的队列进行注册。
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SoftReference(T referent, ReferenceQueue<? super T> q)
创建一个新的软引用,该引用是指给定的对象,并用给定的队列进行注册。
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WeakReference(T referent, ReferenceQueue<? super T> q)
创建一个新的弱引用,该引用引用给定的对象并用给定的队列进行注册。
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