Here you can find the source of printIndex(final Map
public static void printIndex(final Map<String, List<String>> index)
//package com.java2s; /*//from w ww. j a va2 s. c om * SourceCodeCrawlerCommon.java * * Copyright (C) 2016 Pavel Prokhorov (pavelvpster@gmail.com) * * 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.*; public class Main { public static void printIndex(final Map<String, List<String>> index) { index.entrySet().forEach( e -> System.out.println("Class '" + e.getKey() + "' has following subclasses: " + e.getValue())); } }