Java tutorial
//package com.java2s; /* JOpenChart Java Charting Library and Toolkit Copyright (C) 2001 Sebastian Mller http://jopenchart.sourceforge.net 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 ChartUtilities.java Created on 21. September 2001, 17:42 */ import java.util.*; public class Main { /** Adds a two-dimensional array to a TreeSet. */ public static void addDataToSet(TreeSet set, Number[][] data) { for (int i = 0; i < data.length; i++) { set.addAll(Arrays.asList(data[i])); } } }