Other Methods of HashMap Iterate Through a HashMap In aHashMap, we can iterate through itskeys iterate through itsvalues iterate through itskeys/values 1. Using the forEach loop packagecom.programiz.hashmap;importjava.util.HashMap;importjava.util.Map.Entry;publicclassForEachLoop{publicstaticvoidm...
Try Programiz PRO today. Tutorials Examples Courses Try Programiz PRO Java HashMap Methods Java HashMap clear() Java HashMap clone() Java HashMap isEmpty() Java HashMap size() Java HashMap put() Java HashMap putAll() Java HashMap putIfAbsent() Java HashMap remove() Java HashMap containsK...
In the above example, we have created a HashMap named languages. Here, we have used the put() method to add elements to the hashmap. We will learn more about the put() method later in this tutorial. Basic Operations on Java HashMap The HashMap class provides various methods to perform...
Methods of WeakHashMap The WeakHashMap class provides methods that allow us to perform various operations on the map. Insert Elements to WeakHashMap put() - inserts the specified key/value mapping to the map putAll() - inserts all the entries from specified map to this map putIfAbsent() ...
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