The Java Iterator is an all-purpose interface that simplifies looping through a collection of objects. Java's ListIterator provides all the functionality of the Iterator interface, with four ...

However, there are collection classes in Java that act like a Java array but resize themselves automatically. Any class that extends the List interface expands dynamically. Java arrays do not expand ...

Generational Z Garbage Collector would lower garbage collection CPU overhead, lower heap memory overhead, and reduce the risk of allocations stalls, OpenJDK proposal says.

They devote sections of their book (13.3/Sets, 15.3/Lists, 16.6/Maps, 14.5/Queues) to comparing different collections implementations for each interface (List, Set, and Map) and compare them based ...