Korrektur der Syntax und einhaltliche toString für das Speichern der Daten.

src/Data.java

@@ -1,8 +1,9 @@
+import java.io.File;
+import java.io.FileWriter;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.sql.Array;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Scanner;
@@ -199,16 +200,20 @@ public class Data {
     /**
      * The method writeData writes the data of a List into a txt file.
      *
+     * @author Felix Wöstemeyer
+     *
      * @param pathWrite   determines the filename of the file that will be written
      * @param listToWrite determines which ArrayList is to be used for writing the file
      */
     public void writeData(String pathWrite, ArrayList<String> listToWrite) {
-        if (pathWrite.equals("users.txt")) {
-
-        } else if (pathWrite.equals("orders.txt")) {
-
-        } else if (pathWrite.equals("menue.txt")){
-
+        try {
+            if (new File(pathWrite).exists()) {
+                for (String zeile : listToWrite) {
+                    new FileWriter(pathWrite).write(zeile);
+                }
+            }
+        }catch(IOException e){
+            e.printStackTrace();
         }
     }