Here you can find the source of subarray(char[][] array, int start, int end)
public static final char[][] subarray(char[][] array, int start, int end)
//package com.java2s; /******************************************************************************* * Copyright (c) 2004, 2005 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors:/* w w w .j av a 2 s . c o m*/ * IBM Corporation - initial API and implementation *******************************************************************************/ public class Main { public static final char[][] subarray(char[][] array, int start, int end) { if (end == -1) end = array.length; if (start > end) return null; if (start < 0) return null; if (end > array.length) return null; char[][] result = new char[end - start][]; System.arraycopy(array, start, result, 0, end - start); return result; } public static final char[] subarray(char[] array, int start, int end) { if (end == -1) end = array.length; if (start > end) return null; if (start < 0) return null; if (end > array.length) return null; char[] result = new char[end - start]; System.arraycopy(array, start, result, 0, end - start); return result; } }