import java.util.Iterator;
public class iter {
    public static void print(TreeTable<String,String> t) {
        for (Iterator<String> i=t.iterator(); i.hasNext(); ) {
            String k=i.next();
            System.out.println(k+": "+t.get(k));
        }
        // for (String k: t) {
        //     System.out.println(k+": "+t.get(k));
        // }
        System.out.println("");
    }
    public static void main(String [] args) {
        TreeTable<String,String> t = new TreeTable<String,String>();
        
        t.put("Lisa Smith","521-8976");
        iter.print(t);
        t.put("John Smith","521-1234");
        iter.print(t);
        t.put("Sandra Dee","521-9655");
        iter.print(t);
        t.put("Ted Baker", "418-4165");
        iter.print(t);
        t.put("Sam Doe", "521-5030");
        iter.print(t);
        t.put("Sandra Dee","neue Nummer");
        iter.print(t);
    }
}