add main

src/main/java/Main.java

@@ -13,21 +13,23 @@ public class Main {
         if (input == null) {
             throw new IOException("products.csv not found");
         }
-        Scanner scanner = new Scanner(input);
 
-        // TODO:
-        // - Read each line from products.csv
-        // - For each line, parse productId, name, and price
-        // - The format of the file is like this:
-        //      [productId],[name],[price]
-        // - Store Product objects in the productCatalog ArrayList
+        try (Scanner scanner = new Scanner(input)) {
+            while (scanner.hasNextLine()) {
+                String line = scanner.nextLine();
+                if (line.isBlank()) continue;
 
-        // NOTE
-        // - The data in products.csv is guaranteed to be valid.
+                String[] parts = line.split(",");
+                int id = Integer.parseInt(parts[0].trim());
+                String name = parts[1].trim();
+                double price = Double.parseDouble(parts[2].trim());
+
+                productCatalog.add(new Product(id, name, price));
+            }
+        }
     }
 
-    public static void main(String[] args)
-    {
+    public static void main(String[] args) throws IOException {
         try {
             loadProducts();
         } catch (IOException e) {