Java-如何获取结果集上的列名

ResultSetmetaData metaData = resultSet.getmetaData();
int count = metaData.getColumnCount(); //number of column
String columnName[] = new String[count];

for (int i = 1; i <= count; i++){   columnName[i-1] = metaData.getColumnLabel(i);   System.out.println(columnName[i-1]);}