public class Amina {

private Vector readLine(BufferedReader br, String entete) throws IOException {
Vector v = new Vector();
String ligne=null;
while((ligne = br.readLine())!=null)
{
StringTokenizer st = new StringTokenizer(line,"n");
String mot1 = st.nextToken();
String mot2 = st.nextToken();
if ( mot1.equals(entete)){
v.add( mot2 );
}
}
return v;
}

public static void main(String [] args) throws IOException{

Iterator valeurs = alpha.iterator();
String[] toto = {"tula",
"moscow",
"bladimir",
"novo"};
int i=0;
Vector alphabet;
Amina lf =new Amina();

do {

alphabet = ls.litLigne(br,toto );

for(int j=0;j<alphabet.size();j++)
{
System.out.print(" ");
System.out.println(alphabet.elementAt(j));
}
i++;

}while(i<toto.length);



}
}

}

Только выполняется для toto.Как правильно писать?