The Map interface represents an abstract data ... We've looked at the fundamentals of the Java Collections Framework and seen how to create new data structures based on abstract base classes ...

The Java Collections Framework (JCF), introduced in 1998 in ... container interfaces to provide references to list-, sets-, and map-like data structures. JCF’s ubiquity is evident in the new ...

and sequenced maps, and retrofit them into the existing collections type hierarchy. Motivating the plan are two gaps in Java’s collections framework, the language’s architecture for ...