Converting a TreeSet to an Array

 

import java.util.Iterator;

import java.util.TreeSet;

import java.util.Set;

import javax.management.monitor.StringMonitor;

public class TreeSetToArray {

public static void main(String[] args) {

// creating our TreeSet

Set<String> ts = new TreeSet<>();

// adding element to our set

// insertion order is maintained here

ts.add("Neha");

ts.add("Nisha");

ts.add("Nishu");

ts.add("Rekha");

ts.add("Madhu");

ts.add("Disha");

ts.add("Tara");

ts.add("Tara"); // duplicate element can't be added

Object[] ar_copy = new Object[ts.size()];

ar_copy = ts.toArray();

for (Object o : ar_copy) {

System.out.print(o + ",");

}

System.out.println();

}

}