Updated FileHandler

Added JavaDoc.

millions/src/main/java/no/ntnu/gruppe53/FileHandler.java

@@ -11,9 +11,19 @@
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * Handles file operations for the application.
+ */
 
 public class FileHandler {
 
+    /**
+     * Writes a list of {@link Stock}s to a text-file. Class is structed for {@code .csv} files.
+     *
+     * @param stockList the list of stocks to be converted to text
+     * @param path output path for the file
+     * @param filename name of the file (not including extension)
+     */
     public static void writeStocksToFile(List<Stock> stockList, String path, String filename) {
         String pathString = path + filename;
         Path filePath = Paths.get(pathString);
@@ -40,6 +50,13 @@ public static void writeStocksToFile(List<Stock> stockList, String path, String
         }
     }
 
+    /**
+     * Reads a .csv file and converts it to a list of {@code Stock} objects.
+     *
+     * @param path path to the file to be read
+     * @param filename name of the file to be read (including extension)
+     * @return a list of {@code Stock} objects converted from text
+     */
     public static List<Stock> readStocksFromFile(String path, String filename) {
         List<Stock> stocks = new ArrayList<>();
         String pathString = path + filename;
@@ -101,13 +118,11 @@ public static List<Stock> readStocksFromFile(String path, String filename) {
                 }
                 stocks.add(new Stock(symbol, name, price));
             }
-
-        } catch (IOException e) {
+        }
+        catch (IOException e) {
             System.out.println("ERROR: Something went wrong while reading the csv file.");
             System.out.println("Message: " + e.getMessage());
         }
-
         return stocks;
     }
-
 }