hashmap.java

import java.util.HashMap; // import the HashMap class


class Main {
  public static void main(String[] args) {

    String[] names = {"chris", "hello"};

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

  // for every new site
  weatherStations.put("Edinburgh", 0);


  // everytime you come across the site id, add 1
  for(int i = 0; i < 10; i++){
    weatherStations.put("Edinburgh", weatherStations.get("Edinburgh") + 1);
  }


System.out.println(weatherStations.get("Edinburgh"));

  for(int i = 0; i < names.length; i++){
    System.out.println(names[i]);
  }

  }
}