Why should I use Weak/SoftReference with ReferenceQueue argument?Why cannot I poll original reference and check if null?
Using Java's ReferenceQueue
Java SoftReference, panicing GC and GC behavior Using ReferenceQueue and WeakReference How to correctly create a weak reference to method reference in Java What's the difference between SoftReference and WeakReference in Java? Java, convert object to softreference Test a weak reference before using it java java.lang.ref.SoftReference cannot be cast to java.lang.Comparable Are WeakReferences in a ReferenceQueue automatically removed from the queue? How to test code that relies on a SoftReference? Need to close PreparedStatements stored as SoftReference before its GC'd WeakReference and ReferenceQueue performance matter What is the relationship between the PhantomReference and ReferenceQueue? How can I call methods on items in a ReferenceQueue if type erasure has allowed me to only call Object() methods? How to specify the right type for ReferenceQueue.remove() in Java? Weak hashmap with weak references to the values? Use of weak-reference in Java EE application Testing code that uses SoftReference<T> Usage of SoftReference in Map? When to clean ReferenceQueue? Cleaned by system? Java: PhantomReference, ReferenceQueue and finalize SoftReference<String> not garbage collected when out of memory Should I synchronize on a ReferenceQueue? How to GC a SoftReference if its reference is GC'ed Why do we need weak reference in java SoftReference gets garbage collected too early Is ReferenceQueue suitable for object pooling? Java SoftReference guarantee failing Weak Reference vs setting to Null Using SoftReference to cache Bitmap on Android cause OOM