Here you can find the source of ObjectToStringArray(Object[][] array1)
public static String[][] ObjectToStringArray(Object[][] array1)
//package com.java2s; /*//from w w w . j a va2s . co m * This file is part of YaBS. YaBS is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. YaBS 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 General Public License for more details. You should have received a copy of the GNU General Public License along with YaBS. If not, see <http://www.gnu.org/licenses/>. * */ public class Main { public static String[][] ObjectToStringArray(Object[][] array1) { if (array1 == null || array1.length < 1) { array1 = new Object[0][0]; } String[][] mergedArray = null; try { mergedArray = new String[array1.length][array1[0].length]; int i = 0; for (i = 0; i < array1.length; i++) { for (int k = 0; k < array1[i].length; k++) { mergedArray[i][k] = array1[i][k].toString(); } } } catch (Exception e) { return new String[0][0]; } return mergedArray; } }