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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
Updated on: 30-Jul-2019
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