The Java Iterator is an all-purpose interface that simplifies ... the numeric index of the previous or next element in an ordered collection. The Java Collections Framework provides a wealth of ...

The Java Platform provides the most commonly used data structures in the form of the Collections Framework, and it provides a rich API to operate on them. In this first article in a two-part ...

Iterators in Java typically expect exclusive access to the data structure they loop through. If another thread tries to modify a collection of objects while an ...

For example, “How do you perform an operation across a collection of different objects?” One approach is to iterate through ... Luckily, Java lets you make the Visitor pattern much more ...