java map hackerrank solution - Java 15

 
 java map hackerrank solution - Java 15

for explanation watch video :

Code:

import java.io.*;

import java.util.*;

public class Solution {

    public static void main(String[] args) {

        Scanner scn = new Scanner(System.in);

        int n = scn.nextInt();

        scn.nextLine();

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

        for(int i=0;i<n;i++){

            String name = scn.nextLine();

            int mobile = scn.nextInt();

            scn.nextLine();

            hm.put(name,mobile);

        }

        while(scn.hasNext()){

            String name = scn.nextLine();

            if(hm.containsKey(name)){

                System.out.println(name+"="+hm.get(name));

            }else{

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

            }

        }   

    }

}