import java.io.ObjectOutputStream;
import java.io.FileOutputStream;
public class PVWriter{
    public static void main(String [] args)
        throws java.io.IOException {
        ObjectOutputStream out =
        new ObjectOutputStream(
              new FileOutputStream("people.dat"));
        PeopleVec PV=new PeopleVec();
        String [] names={"Bob", "Doug", "Mohona",
                         "Takeshi", "Wenjie"};
        for (int i=0; i<names.length; i++){
            PV.add(names[i],i);
        }
        out.writeObject(PV);
        out.flush();
    }
}