PLEASE HELP!! ERROR:cannot find symbol line 22 and 30

I can't get this to compile and I feel like I checked EVERYTHING. Can someone see what I am doing wrong? I get a cannot find symbol on line 22 and 30.

import java.util.Arrays; import java.util.Date; import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Set; import java.util.TreeSet;

import com.teamtreehouse.Treet; import com.teamtreehouse.Treets;

public class Example {

public static void main(String[] args) { Treet[] treets = Treets.load(); System.out.printf("There are %d treets. %n", treets.length); Set<String> allHashTags = new TreeSet<String>(); Set<String> allMentions = new TreeSet<String>(); for (Treet treet : treets) { allHashTags.addAll(treet.getHashTags()); allMentions.addAll(treet.getMentions()); } System.out.printf("Hash tags : %s %n", allHashTags); System.out.printf("Mentions : %s %n", allMentions);

Map<String, Integer> hashTagCounts = new HashMap<String, Integer>();
for (Treet treet : treets) {
  for (String hashTag : treet.getHashTags()) {
   Integer count = hashTagCounts.get(hashTag);
    if (count == null) {
      count = 0;
    }
    count++;
    hashTagCounts.put(hashTag, count);
  }

} System.out.printf("Hash tag counts: %s %n", hashTagCounts); } }