package collections;
import java.util.*;
import java.awt.*;

class TSetTests {
	public static void main (String[] arg){
		System.out.println("==Tests on TreeSets==");
		TreeSet ts = new TreeSet();
		ts.add("Yannis");
		ts.add("Yannis");
		ts.add("Yannis");
		ts.add("Nikos");
		ts.add("Yannis");
		
		System.out.println(ts.size());
		System.out.println(ts);
		
		Collection c = ts;
		System.out.println("As collection: "+ c);
		
		Object[] array = c.toArray();
		System.out.println("As array with size " + array.length + " : "+ array);
		
		
	}
}