Here you can find the source of map(Object... data)
public static <K, V> Map<K, V> map(Object... data)
//package com.java2s; /** /*from ww w . j a va 2 s .c o m*/ * Copyright 2012 Rafal Lewczuk <rafal.lewczuk@jitlogic.com> * * ZORKA 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. * * ZORKA 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 * ZORKA. If not, see <http://www.gnu.org/licenses/>. */ import java.util.*; public class Main { public static <K, V> Map<K, V> map(Object... data) { Map<K, V> map = new HashMap<K, V>(data.length + 2); for (int i = 1; i < data.length; i += 2) { map.put((K) data[i - 1], (V) data[i]); } return map; } }