// collectiontopics/FunctionalMap.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// Functional operations on a Map

import java.util.*;

import java.util.stream.*;

import java.util.concurrent.*;

import static onjava.HTMLColors.*;

public class FunctionalMap {

public static void main(String[] args) {

MAP.entrySet().stream()

.map(Map.Entry::getValue)

.filter(v -> v.startsWith("Dark"))

.map(v -> v.replaceFirst("Dark", "Hot"))

.forEach(System.out::println);

}

}

/* Output:

HotBlue

HotCyan

HotGoldenRod

HotGray

HotGreen

HotKhaki

HotMagenta

HotOliveGreen

HotOrange

HotOrchid

HotRed

HotSalmon

HotSeaGreen

HotSlateBlue

HotSlateGray

HotTurquoise

HotViolet

*/