TreeSet clear() method in java
import java.util.TreeSet;
public class TreeSetClearMethodExample
{
public static void main(String[] args)
{
TreeSet<String> ts = new TreeSet<String>();
ts.add("grapes");
ts.add("apple");
ts.add("mango");
ts.add("banana");
ts.add("orange");
ts.add("pineapple");
System.out.println("TreeSet before using clear() method: " + ts);
// clear TreeSet using clear() method
ts.clear();
// print final TreeSet
System.out.println("TreeSet after using clear() method: " + ts);
}
}