if ( iter.hasNext() ) {
if ( iter.hasMoreElements() ) {
    public String getUnusedString() {	StringBuffer result = new StringBuffer();	// Walk through this entity's transport components;	// add all of their string to ours.	Iterator iter = this.transports.iterator();	while ( iter.hasNext() ) {	    Transporter next = (Transporter)iter.next();	    result.append( next.getUnusedString() );            // Add a newline character between strings.            if ( iter.hasNext() ) {                result.append( '\n' );            }	}	// Return the String.	return result.toString();    }