#5 Java HashMaps Values, KeySet, Remove - HashMap Values, KeySet, Remove method
The HashMap values method returns a Collection view of the values contained in this map. The Keyset method returns a Set view of the keys contained in this map. The Remove method removes the mapping for the specified key from the map if present.
We use these methods to get the values in a hashmap, the keys in a hashmap and also to remove an element in a hashmap.
Learn how to use Java HashMaps which is part of the data structures in the Java Collections framework. With HashMaps we can store key and value pairs. We access the elements using their corresponding Keys. It is the Hash table based implementation of the Map interface.
You will learn how Java hashmaps work, how to iterate through a hashmap and various hashmap methods to work with key-value pairs.
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