Here you can find the source of getColumns(ResultSetMetaData rsMetaData)
public static String[] getColumns(ResultSetMetaData rsMetaData) throws SQLException
//package com.java2s; /**// w ww.j a v a 2 s . co m * JDBCPersistence framework for java * Copyright (C) 2004-2014 Alex Rojkov * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * You can contact me by email jdbcpersistence a t gmail d o t com * */ import java.sql.*; public class Main { public static String[] getColumns(ResultSetMetaData rsMetaData) throws SQLException { int colcount = rsMetaData.getColumnCount(); String[] result = new String[colcount]; for (int i = 0; i < result.length; i++) { result[i] = rsMetaData.getColumnName(i + 1); } return result; } }