package dustin.examples; /** * Enum representing select western states in the United Sates. */ public enum States { ARIZONA("Arizona"), CALIFORNIA("California ...

Fast lookups: Lookups take O(1) time on average. Flexible keys: Most data types can be used for keys, as long as they're hashable. Initial Capacity: It is the capacity of HashMap at the time of its ...

A frequently asked question in a Java interview is: How to implement a Java HashMap? Java job seekers must fully grok this important concept if they want to ace the interview. The HashMap tutorial ...

What if a developer needs constant, low-level synchronization at the class level? It's still not a justification to choose a Hashtable. A developer can create a synchronized HashMap through the ...