Why does exist WeakHashMap, but absent WeakSet?
Set equivalent of WeakHashMap?
Android classes absent from debug WeakHashMap vs HashMap What is a WeakHashMap and when to use it? Java WeakHashMap with multiple keys? WeakHashMap and strongly referenced value WeakHashMap - what is its purpose and how should it be used correctly Java's WeakHashMap and caching: Why is it referencing the keys, not the values? WeakHashMap with types like Long, Int or String Usage of WeakHashMap? Why is WeakReferenced object not removed by WeakHashMap How to effectively use a String as a WeakHashMap key in Java, or an alternative solution WeakHashMap example Java Can I guarantee that WeakHashMap entry will not disappear after check WeakHashMap doesn't remove obsolete entries Are keySet entries of a WeakHashMap never null? Is there java.util.concurrent equivalent for WeakHashMap? WeakHashMap iteration and garbage collection What is the reasoning behind the double call to WeakHashMap.put( .. )? Why WeakHashMap holds strong reference to value after GC? How to typecast a HashMap to a WeakHashMap? When would you use a WeakHashMap or a WeakReference? Java : how does weakhashmap determine if the key is 'obsolete' or not? Java WeakHashMap Class Are WeakHashMap cleared during a full GC? WeakHashMap or HashMap? Recreate the same key on WeakHashMap Reduce Memory Usage With WeakHashMap new to java - relationship between new String() and weakHashMap Java WeakHashMap reference not being updated