import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import javax.xml.stream.FactoryConfigurationError;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;



public class T {

	static List<String> xs = new ArrayList<String>();	
	
	public static void main(String[] args) throws Exception, XMLStreamException, FactoryConfigurationError {
		xs.add("friends");
		xs.add("romans");
		xs.add("countrymen");
		//for (String x:xs){
		for (Iterator<String> it= xs.iterator()
				;it.hasNext();){	
			String x = it.next();
		
		}
		Set<String> tagnamen = new HashSet<String>();
		
		int i=0;
		for (
		XMLStreamReader sr =
		XMLInputFactory
			.newInstance()
			.createXMLStreamReader
			 (new FileReader("/home/sep/fh/c/skript.xml"))
		;sr.hasNext();sr.next()){
			if (sr.isStartElement()){
				tagnamen.add(sr.getName().getLocalPart());
			}
		}

		System.out.println(tagnamen);
	}
		
}