/** * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ package algorithms.arrays; import java.util.*; /** * Class for reversing arrays */ public class Reverse { £>for T in boolean char byte short int long; do /** * Reverses an array * * @param items The array to reverse */ public static void reverse(£{T}[] items) { for (int i = 0, j = items.length - 1; i < j; i++, j--) { items[j] ^= items[i]; items[i] ^= items[j]; items[j] ^= items[i]; } } £>done £>for T in float double Object; do /** * Reverses an array * * @param items The array to reverse */ public static void reverse(£{T}[] items) { £{T} temp; for (int i = 0, j = items.length - 1; i < j; i++, j--) { temp = items[i]; items[i] = items[j]; items[j] = temp; } } £>done £>for T in boolean char byte short int long float double Object; do /** * Make a clone of an array, but make it reversed * * @param items The array to reverse * @return The array reversed */ public static £{T}[] reverseClone(£{T}[] items) { £{T}[] rc = new £{T}[items.length]; for (int i = 0, n = items.length - 1; i <= n; i++) rc[i] = items[n - i]; return rc; } £>done }