Getting inputs from a single line using split, delim and parsing inputs for a dictionary

Question

I have a couple of questions:

1. Is there a better way to handle a single line input other than using split and arrays? How do I handle it in a better way for the various possibilities, like blank/empty inputs or if the expected pattern of input didn't happen as expected.

2. It got me wondering why, in the little snippet, keeping skip jumps the inputs of the first for-loop, if I don't place this line of code.
   in.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");
   after the first input scanner for the n variable. It keeps omitting and won't work as intended.

3. Validating the inputs or using the try with resources and do something if an error happens?

/*
* @About Assemble a phone book with map or dictionary
* This version is a modified code from HackerRank user RodneyShag
* @Author (Ricardo Garcia)
* @Version (19-7-2020/8:44am)
*/
import java.util.Scanner;
import java.util.HashMap;

public class Day8Dictionarys {
    public static void main(final String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();// Number of inputs
        in.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");
        HashMap<String, Integer> littlePhoneBook = new HashMap<String, Integer>();
        for (int i = 0; i < n; i++) {
            String temp = in.nextLine();
            String delims = "[ ]+";
                
    //Have to comment this part since it wont past the test
    //if (temp.isBlank()) {//check if the entry is blank
    //  System.out.println("It cant be a blank input");
    //  temp = in.nextLine();
    //} 
                    
            if (temp.length() > 1) {
                String a = temp.split(delims)[0];
                temp = temp.concat(" 0");//Force to include a 0 for array[1] after the split and parseInt, if there is not argument present, ex: "", " ", \n, empty or blank space.
                        
                String b = temp.split(delims)[1];
                int c = Integer.parseInt(b);
                littlePhoneBook.put(a, c);
            }
        }

        while (in.hasNext()) {
            String s = in.next();
            if (littlePhoneBook.containsKey(s)) {//check the hashMap for the key and show on console
                System.out.println(s + "=" + littlePhoneBook.get(s));
            } else if (s.equals("exit")) {//exit the loop after writing the designate word.
                System.out.println("Thanks for your query, be back soon!");
                break;
            } else {
                System.out.println("Not found");
            }
        }
        in.close();
    }
}