Here you can find the source of flatten(String[][] table)
public static String flatten(String[][] table)
//package com.java2s; /*/*from w w w . ja va 2s. com*/ * Spirit, a study/biosample management tool for research. * Copyright (C) 2018 Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, * CH-4123 Allschwil, Switzerland. * * This program 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. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/> * * @author Joel Freyss */ public class Main { public static String flatten(String[][] table) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < table.length; i++) { if (i > 0) sb.append("\n"); for (int j = 0; j < table[i].length; j++) { String s = table[i][j]; if (s == null) s = ""; if (j > 0) sb.append("\t"); boolean quote = s.indexOf('\t') >= 0 || s.indexOf('\n') >= 0; if (quote) { sb.append("\"" + s.replace("\"", "'") + "\""); } else { sb.append(s); } } } return sb.toString(); } }