Java HashMap values() Method
Example
Return all the values in a map:
import java.util.HashMap;
public class Main {
public static void main(String[] args) {
HashMap<String, String> capitalCities = new HashMap<String, String>();
capitalCities.put("England", "London");
capitalCities.put("Germany", "Berlin");
capitalCities.put("Norway", "Oslo");
capitalCities.put("USA", "Washington DC");
System.out.println(capitalCities.values());
}
}
Definition and Usage
The values() method returns a collection containing all of the values in the map.
Note: The returned collection is a view of the map, which means that changing the collection also changes the map.
Syntax
public Collection<V> values()V refers to the data type of the values of the map.
Technical Details
| Returns: | A collection containing all of the values in the map. |
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Related Pages
❮ HashMap Methods
