public -> private methods

src/main/java/io/zipcoder/ItemParser.java

         return newItem;
     }
 
-    public String fixAnyZeros(String s) {
+    private String fixAnyZeros(String s) {
         Pattern pattern = Pattern.compile("[0]");
         Matcher matcher = pattern.matcher(s);
         return matcher.replaceAll("o");
         return new ArrayList<String>(Arrays.asList(inputString.split(stringPattern)));
     }
 
-    public void buildItemList() {
+    private void buildItemList() {
         for (String itemDetails : values) {
             try {
                 this.itemList.add(parseStringIntoItem(itemDetails));
         return itemOcc;
     }
 
-    public int getPriceOccurrences(Double targetPrice, ArrayList<Double> prices) {
+    private int getPriceOccurrences(Double targetPrice, ArrayList<Double> prices) {
         int priceCount = 0;
         for (Double price : prices) {
             if (price == targetPrice) {