HashSet.clone() has the following syntax.
public Object clone()
In the following code shows how to use HashSet.clone() method.
// www. ja va 2 s. co m import java.util.HashSet; public class Main { public static void main(String args[]) { // create two hash sets HashSet <String> cloneset = new HashSet <String> (); HashSet<String> newset = new HashSet <String> (); // populate hash set newset.add("Learning"); newset.add("from"); newset.add("java2s.com"); // clone the hash set cloneset=(HashSet)newset.clone(); System.out.println("Hash set values: "+ newset); System.out.println("Clone Hash set values: "+ cloneset); } }
The code above generates the following result.