noteText.toString

src/main/java/Notizbuch.java

@@ -64,7 +64,7 @@ public class Notizbuch extends JFrame implements ActionListener {
             while ((line = reader.readLine()) != null) {
             	noteText.append(line).append("\n");
             }
-            
+            textArea.setText(noteText.toString());
         } catch (IOException e) {
             
         }