🔒 Closed Network Finder

[meta29]

Hi so 4 days ko ng ina alam si comparator ni java at stock talaga ako dito
na code ko siya pero hindi ko sya matindihan
kaya gumawa nalang ako ng side project para pang palipas oras.

note: hindi ko pa 100% percent alam si HashMap bagong basa pala po kaya sorry kung mali po yung implementation.

help: bakit hindi ako makalagay ng key like 09 and 08. yung kaya niya lang is 01 - 07 bakit kaya? pa help
Galing dito yung prefix na ginamit ko. hindi ko na sinama si Postpaid ni globe.
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import java.util.HashMap;
import java.util.Scanner;

public class networkFinder {
  public static void main(String[] args) {
  Scanner input = new Scanner (System.in);
 
  String A = "SMART";
  String B = "TALK N TEXT";
  String C = "SUN";
  String D = "Globe/TM";
 
  HashMap<Integer,String> find = new HashMap<>();
 
   find.put(20,A);
   find.put(29,A);
   find.put(47,A);
   find.put(99,A);
   find.put(18,A);
   find.put(21,A);
   find.put(39,A);
   find.put(49,A);
   find.put(19,A);
   find.put(28,A);
   find.put(46,A);
   find.put(07,B);
   find.put(12,B);
   find.put(46,B);
   find.put(30,B);
   find.put(48,B);
   find.put(10,B);
   find.put(38,B);
   find.put(50,B);
   find.put(22,C);
   find.put(31,C);
   find.put(40,C);
   find.put(73,C);
   find.put(23,C);
   find.put(32,C);
   find.put(41,C);
   find.put(74,C);
   find.put(24,C);
   find.put(33,C);
   find.put(42,C);
   find.put(25,C);
   find.put(34,C);
   find.put(43,C);
   find.put(05,D);
   find.put(06,D);
   find.put(15,D);
   find.put(16,D);
   find.put(17,D);
   find.put(26,D);
   find.put(27,D);
   find.put(35,D);
   find.put(36,D);
   find.put(37,D);
   find.put(05,D);
   find.put(45,D);
   find.put(55,D);
   find.put(56,D);
   find.put(65,D);
   find.put(66,D);
   find.put(67,D);
   find.put(75,D);
   find.put(77,D);
   find.put(78,D);
   find.put(79,D);
   find.put(95,D);
   find.put(96,D);
   find.put(97,D);
  
   System.out.println("Sample Number: 09xx2345689");
   System.out.print("Enter the two xx in your number: ");
   int x = input.nextInt();
  
   if(find.get(x)==null){
     System.out.print("\nSorry we can't identify ");
     System.out.println("your network");
     System.out.println("Sorry for the inconvenience\n");
   }else{
     System.out.print("\nYour network is: ");
     System.out.println(find.get(x));
   }
  
  }

}

 

[Arcturus]

Try mong wag 09 ilagay sa hash map gawin mong

find.put(9,B);

 

[meta29]

Try mong wag 09 ilagay sa hash map gawin mong

find.put(9,B);

nice sir. Salamat working. kala ko kasi magkaiba si 01 vs 1 sa key ni HashMap

 

[Hanna1664]

Galing pwede pala hashmap dyan ts. Pano pag ang input is +639?

 

[meta29]

Galing pwede pala hashmap dyan ts. Pano pag ang input is +639?

magiging null po kapag ng type ng 639 or any number na wala sa key ni HashMap