Here you can find the source of map(String... vals)
private static Map<String, String> map(String... vals)
//package com.java2s; /*/*from ww w . j a v a2s.c om*/ * Copyright 2014 SimplifyOps Inc, <http://simplifyops.com> * * 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; import java.util.Map; public class Main { private static Map<String, String> map(String... vals) { HashMap<String, String> map = new HashMap<String, String>(); String key = null; for (int i = 0; i < vals.length; i++) { String val = vals[i]; if (key != null) { map.put(key, val); key = null; } else { key = val; } } return map; } }