Let’s imagine that we have some kind of public global map which entities’ monitors are used in synchronized blocks in different methods of other classes. In some moment we remove entities from our collection and garbage collector removes it from application memory.
Sample code is below:

Let’s imagine that we have some kind of public global map which entities’ monitors are used in synchronized blocks in different methods of other classes. In some moment we remove entities from our collection and garbage collector removes it from application memory.
Sample code is below: