The Collections Framework relies on a set of abstract data structures represented by interfaces that describe them based on the operations they support, from the most generic to the most specialized.

Manipulating these data sets can be a complex and frustrating task. To ease the programmer’s job, Java introduced the Java Collections Framework collections in 1998.

With the sequenced collections proposal, all of the new methods declared in the new interfaces have default implementations. Sequenced collections would be added to the standard edition of Java ...