Here you can find the source of swap(double[][] noteOrder, final int i, final int j)
static void swap(double[][] noteOrder, final int i, final int j)
//package com.java2s; /*/*w w w. ja va 2 s . com*/ <This Java Class is part of the jMusic API version 1.5, March 2004.> Copyright (C) 2000 Andrew Sorensen & Andrew Brown 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 2 of the License, or 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, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ public class Main { static void swap(double[][] noteOrder, final int i, final int j) { double temp; for (int a = 0; a < 4; a++) { temp = noteOrder[i][a]; noteOrder[i][a] = noteOrder[j][a]; noteOrder[j][a] = temp; } } }