hackerrank-java/src/JavaMap.java at master · anishLearnsToCode/hackerrank-java · GitHub

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// https://www.hackerrank.com/challenges/phone-book/problem

import java.util.HashMap;

import java.util.Map;

import java.util.Scanner;

public class JavaMap {

private static final Scanner SCANNER = new Scanner(System.in);

public static void main(String[] args) {

Map<String, Long> directory = getDirectory();

while (SCANNER.hasNext()) {

String name = SCANNER.next();

System.out.println(directory.containsKey(name) ? name + "=" + directory.get(name) : "Not found");

}

private static Map<String, Long> getDirectory() {

Map<String, Long> directory = new HashMap<>();

int queries = SCANNER.nextInt();

while (queries-- > 0) {

String name = SCANNER.next();

long number = SCANNER.nextLong();

directory.put(name, number);

}

return directory;

}

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