public static String join(final Object[] columns) {
		return ColumnJoiner.DEFAULT.join(columns);
	}
Joins the given CSV {@code columns} to one CSV line. The default values
for the separator and quote character are used ({@link Separator#DEFAULT},
{@link Quote#DEFAULT}) for joining the columns.

@see #join(Iterable)

@param columns the CSV columns to join
@return the CSV line, joined from the given {@code columns}
@throws NullPointerException if the given {@code columns} is {@code null}
jenetics.ext/src/main/java/io/jenetics/ext/util/CsvSupport.java