Here you can find the source of toArrayList(int[] values)
public static ArrayList<Integer> toArrayList(int[] values)
//package com.java2s; /* Copyright (C) 2014 C?ssio M. M. Pereira //from ww w .j av a 2s. c om 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 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.ArrayList; public class Main { public static ArrayList<Integer> toArrayList(int[] values) { ArrayList<Integer> ar = new ArrayList<Integer>(); for (int i = 0; i < values.length; i++) ar.add(values[i]); return ar; } public static ArrayList<Double> toArrayList(double[] values) { ArrayList<Double> ar = new ArrayList<Double>(); for (int i = 0; i < values.length; i++) ar.add(values[i]); return ar; } }