Here you can find the source of hashMap(Object... kvs)
public static HashMap hashMap(Object... kvs)
//package com.java2s; /*// w ww.j a va 2 s .c om * Copyright 2013 Masato Nagai * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.HashMap; public class Main { public static HashMap hashMap(Object... kvs) { HashMap hashMap = new HashMap(); for (int i = 0, n = kvs.length; i < n; i += 2) { hashMap.put(kvs[i], kvs[i + 1]); } return hashMap; } }