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Convert an ArrayList to HashSet in Java
To convert ArrayList to HashSet, firstly create an ArrayList −
List<String> l = new ArrayList<String>();
Add elements to the ArrayList −
l.add("Accent"); l.add("Speech"); l.add("Diction"); l.add("Tone"); l.add("Pronunciation");
Now convert the ArrayList to HashSet −
Set<String> s = new HashSet<String>(l);
The following is an example to convert an ArrayList to HashSet in Java.
Example
import java.util.ArrayList; import java.util.List; import java.util.Set; import java.util.HashSet; public class Main { public static void main(String[] args) { List<String> l = new ArrayList<String>(); l.add("Accent"); l.add("Speech"); l.add("Diction"); l.add("Tone"); l.add("Pronunciation"); Set<String> s = new HashSet<String>(l); System.out.println("HashSet elements..."); for (Object ob : s) System.out.println(ob); } }
Output
HashSet elements... Tone Pronunciation Accent Speech Diction
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