public String keyList() {
		String separator = "";
		StringBuilder buffer = new StringBuilder();
		String item;

		for (int i = 0; i < names.size(); i++) {
			item = names.get(i);
			buffer.append(separator + item);
			separator = ", ";
		}

		return buffer.toString();
	}
public String keyList ( ) { String separator = "" ; StringBuilder buffer = new StringBuilder ( ) ; String item ; for ( int i = 0 ; i < names . size ( ) ; i ++ ) { item = names . get ( i ) ; buffer . append ( separator + item ) ; separator = ", " ; } return buffer . toString ( ) ; }
Key list.

@return the string