How to remove all element from TreeSet

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

public class RemoveAll {

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(” Before Clear TreeSet is =”+ts);

/*
* Removes all of the elements from  set
*/
ts.clear();

System.out.println(” After Clear Treeset is = “+ts);

}

}

Output:

Before Clear TreeSet is =[chandigarh, dehradun, delhi, kolkata, mumbai]

After Clear Treeset is = []

 

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