HashMap
Hash map is basically gives us a unsorted ans unordered map.When we need to the map and i don\'t want an to the go in the order then hash map is the best way to go .
HashMap allows one null key in a collection and multiple null values in a collection.
By:umang
Date:2014-03-09 00:00:00
Related scjp1.5 chap8 Links
Overriding hashCode() and equals()
What It Means if we Don\'t Override equals()
Implementing an equals() Method
So What Do we Do with a Collection?
Key Interfaces and Classes of the Collections Framework
Overview of Memory Management and Garbage Collection
Overview of Java\'s Garbage Collector
When Does the Garbage Collector Run?
How Does the Garbage Collector Work?
Reassigning a Reference Variable