Here you can find the source of asList(char[] array)
public static List<Character> asList(char[] array)
//package com.java2s; /**// w w w . j av a2 s. c o m * RxDroid - A Medication Reminder * Copyright (C) 2011-2014 Joseph Lehner <joseph.c.lehner@gmail.com> * * * RxDroid 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 3 of the License, or * (at your option) any later version. Additional terms apply (see LICENSE). * * RxDroid 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 RxDroid. If not, see <http://www.gnu.org/licenses/>. * * */ import java.util.ArrayList; import java.util.List; public class Main { public static List<Integer> asList(int[] array) { List<Integer> list = new ArrayList<Integer>(array.length); for (int i = 0; i != array.length; ++i) list.add(array[i]); return list; } public static List<Character> asList(char[] array) { List<Character> list = new ArrayList<Character>(array.length); for (int i = 0; i != array.length; ++i) list.add(array[i]); return list; } }