Here you can find the source of parseArguments(String[] args)
public static Map<String, String> parseArguments(String[] args)
//package com.java2s; /**/*from w w w.j av a 2 s . co m*/ * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library 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 Lesser General Public License for more * details. */ import java.util.HashMap; import java.util.Map; public class Main { public static Map<String, String> parseArguments(String[] args) { Map<String, String> arguments = new HashMap<>(); for (String arg : args) { int pos = arg.indexOf('='); if (pos <= 0) { throw new IllegalArgumentException("Bad argument " + arg); } String key = arg.substring(0, pos); String value = arg.substring(pos + 1); arguments.put(key.trim(), value.trim()); } return arguments; } }