Java-Hackerrank-Solutions/Java/Data Structures/JavaMap.java at main · Manush54/Java-Hackerrank-Solutions · GitHub

31 lines (26 loc) · 985 Bytes

//Complete this code or write your own from scratch

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.*;

class JavaMap {

public static void main(String[] argh) throws NumberFormatException, IOException {

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

int n = Integer.parseInt(br.readLine());

HashMap<String, Integer> phonebook = new HashMap<String, Integer>();

for (int i = 0; i < n; i++) {

String name = br.readLine();

int phone = Integer.parseInt(br.readLine());

phonebook.put(name, phone);

}

while (br.readLine() != null) {

String s = br.readLine();

Integer ph_num = phonebook.get(s);

if (ph_num == null) {

System.out.println("Not found");

} else {

System.out.printf("%s=%d\n", s, ph_num);

}

Expand file tree