How to recognize and use array and list data structures in your Java programs. Which algorithms work best with different types of array and list data structures. Why some algorithms will work ...

Iterators in Java typically expect exclusive access to the data structure they loop through ... you should not use fail-safe iterators. The ArrayList and HashMap classes, have fail-fast iterators. The ...

In contrast, a data structure is a concrete implementation of one or more ADTs, similar to how Java classes implement interfaces. Examples of ADTs include Employee, Vehicle, Array, and List.