SortedMap is a collection framework interface. It guarantees that the entries are kept in ascending key order. This interface is…
The HashMap class is similar to the IdentityHashMap class. The IdentityHashMap implements the Map interface using Hashtable, and when comparing…
The Hashtable class creates a hash table by mapping keys to values. As a key or value, any non-null object…
Since Java 1.2, HashMap<K, V> class has been part of the Java collection. This class can be found in java.util…
Java includes a map interface. A mapping between a key and a value is represented by the util package. The…