Map « Collections « Java Tutorial

9.25.1.Creating and storing arrays in a map
9.25.2.Sort based on the values
9.25.3.Get a key from value with an HashMap
9.25.4.Retrieve environment variables (JDK1.5)
9.25.5.Creating a Type-Specific Map: creates a map whose keys are Integer objects and values are String objects.
9.25.6.A map declared to hold objects of a type T can also hold objects that extend from T
9.25.7.A value retrieved from a type-specific collection does not need to be casted
9.25.8.Map techniques.
9.25.9.Create an array containing the keys in a map

9.25.10.Create an array containing the values in a map
9.25.11.Creating a Hash Table
9.25.12.Creating a Map That Retains Order-of-Insertion
9.25.13.Automatically Removing an Unreferenced Element from a Hash Table
9.25.14.Creating a Type-Specific Map [5.0]
9.25.15.Create type specific collections
9.25.16.Convert Properties into Map