public static void main (String args[]) {
        Map<String, String> map = new HashMap();

        fillData(map);

        for (String key : map.keySet()) {
            System.out.println(key + " " + map.get(key));
        }

        map.put("Added lately", "testing");

        map.remove("Intellij");
        for (String key : map.keySet()) {
            System.out.println(key + " " + map.get(key));
        }

    }