HashMap « Collections Data Structure « Java

1.Iterate through the values of Java HashMap example
2.Get Synchronized Map from Java HashMap example
3.Check if a particular key exists in Java HashMap example
4.Check if a particular value exists in Java HashMap example
5.Get Set view of Keys from Java HashMap example
6.Get Size of Java HashMap
7.Remove all values from Java HashMap example
8.Remove value from Java HashMap
9.Create Java Hashtable from HashMap

10.Sort an HashMap based on the keys
11.For keys of a map
12.For values of a map
13.For both the keys and values of a map
14.Storing Primitive Types in a Collection
15.Creating a Copy of a Collection: the objects are not cloned.
16.Use Iterator to loop through the map key set
17.Generic hashmap with String as key and Integer as valueGeneric hashmap with String as key and Integer as value
18.Get key set and value set from map and use Iterator to loop through them
19.Clones a map
20.Hash map for counting references to Object keys.
21.Extended Version of java.util.HashMap that provides an extended get method accpeting a default value.
22.Compact HashMap
23.This class wraps a HashMap and provides methods by which key objects can be associated with "counting" values.
24.This extension of HashMap support duplicate keys
25.Concurrent Hopscotch HashMap