How to copy all element of a Treeset to other

import java.util.Set;
import java.util.TreeSet;

public class AddAll {
   
    public static void main(String[] args) {
       
           Set<String> ts = new TreeSet<String>();
            ts.add("mumbai");
            ts.add("delhi");
            ts.add("kolkata");
            ts.add("chandigarh");
            ts.add("dehradun");

            // print treeset
            System.out.println(" ts ="+ts);
           
           Set<String> myts = new TreeSet<String>();
           
           /*
            * Adds all of the elements in the specified
            * collection to this set if they're not already present
            */
          
            myts.addAll(ts);
          
            System.out.println("Element of myts ");
           
            for (String str : myts) {
                System.out.println("Element is = "+myts);
            }
       
        }
   

}


Output:

 ts =[chandigarh, dehradun, delhi, kolkata, mumbai]

myts = [chandigarh, dehradun, delhi, kolkata, mumbai]

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