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 */ public class Main { /** Transforms a two-dimensional array of primitives * to an array of Numbers. */ public static Number[][] transformArray(int[][] data) { Number[][] n = new Number[data.length][data[0].length]; for (int i = 0; i < data.length; i++) for (int j = 0; j < data[0].length; j++) n[i][j] = new Integer(data[i][j]); return n; } /** Transforms a two-dimensional array of primitives * to an array of Numbers. */ public static Number[][] transformArray(double[][] data) { Number[][] n = new Number[data.length][data[0].length]; for (int i = 0; i < data.length; i++) for (int j = 0; j < data[0].length; j++) n[i][j] = new Double(data[i][j]); return n; } /** Transforms an array of primitives * to an array of Numbers. */ public static Number[] transformArray(double[] data) { Number[] n = new Number[data.length]; for (int i = 0; i < data.length; i++) n[i] = new Double(data[i]); return n; } /** Transforms an array of primitives * to an array of Numbers. */ public static Number[] transformArray(int[] data) { Number[] n = new Number[data.length]; for (int i = 0; i < data.length; i++) n[i] = new Integer(data[i]); return n; } }