class atmostone{ public String toXMLString() { //return "atmostone" +array2String( children().toArray(), "," ); StringBuffer str=new StringBuffer(); Object obj[] = children().toArray(); str.append("<atmostone>"); for(int i=0;i< obj.length;i++){ str.append( ((node)obj[i]).toXMLString()); } str.append("</atmostone>"); return str.toString(); } }