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| 1 | +import java.io.*; |
| 2 | +import java.util.ArrayList; |
| 3 | +import java.util.Scanner; |
| 4 | + |
| 5 | +class Note { |
| 6 | + private String title; |
| 7 | + private String content; |
| 8 | + |
| 9 | + public Note(String title, String content) { |
| 10 | + this.title = title; |
| 11 | + this.content = content; |
| 12 | + } |
| 13 | + |
| 14 | + // Getters and setters for note details |
| 15 | +} |
| 16 | + |
| 17 | +public class NotesApp { |
| 18 | + private static ArrayList<Note> notes = new ArrayList<>(); |
| 19 | + private static final String FILENAME = "notes.txt"; // File to save notes |
| 20 | + private static Scanner scanner = new Scanner(System.in); |
| 21 | + |
| 22 | + public static void main(String[] args) { |
| 23 | + loadNotes(); // Load saved notes from the file |
| 24 | + |
| 25 | + while (true) { |
| 26 | + displayMenu(); |
| 27 | + int choice = scanner.nextInt(); |
| 28 | + scanner.nextLine(); // Consume newline character |
| 29 | + |
| 30 | + switch (choice) { |
| 31 | + case 1: |
| 32 | + createNote(); |
| 33 | + break; |
| 34 | + case 2: |
| 35 | + viewNotes(); |
| 36 | + break; |
| 37 | + case 3: |
| 38 | + editNote(); |
| 39 | + break; |
| 40 | + case 4: |
| 41 | + deleteNote(); |
| 42 | + break; |
| 43 | + case 5: |
| 44 | + saveNotes(); // Save notes to the file |
| 45 | + System.out.println("Goodbye!"); |
| 46 | + System.exit(0); |
| 47 | + default: |
| 48 | + System.out.println("Invalid choice. Please try again."); |
| 49 | + } |
| 50 | + } |
| 51 | + } |
| 52 | + |
| 53 | + // Implement methods for creating, viewing, editing, and deleting notes |
| 54 | + |
| 55 | + private static void displayMenu() { |
| 56 | + System.out.println("\nNotes Keeping App"); |
| 57 | + System.out.println("1. Create a new note"); |
| 58 | + System.out.println("2. View saved notes"); |
| 59 | + System.out.println("3. Edit a note"); |
| 60 | + System.out.println("4. Delete a note"); |
| 61 | + System.out.println("5. Exit"); |
| 62 | + System.out.print("Enter your choice: "); |
| 63 | + } |
| 64 | + |
| 65 | + private static void loadNotes() { |
| 66 | + try (BufferedReader reader = new BufferedReader(new FileReader(FILENAME))) { |
| 67 | + String line; |
| 68 | + while ((line = reader.readLine()) != null) { |
| 69 | + String[] parts = line.split("\\|"); |
| 70 | + if (parts.length == 2) { |
| 71 | + notes.add(new Note(parts[0], parts[1])); |
| 72 | + } |
| 73 | + } |
| 74 | + } catch (IOException e) { |
| 75 | + // Handle file loading errors, or create the file if it doesn't exist |
| 76 | + } |
| 77 | + } |
| 78 | + |
| 79 | + private static void saveNotes() { |
| 80 | + try (PrintWriter writer = new PrintWriter(new FileWriter(FILENAME))) { |
| 81 | + for (Note note : notes) { |
| 82 | + writer.println(note.getTitle() + "|" + note.getContent()); |
| 83 | + } |
| 84 | + } catch (IOException e) { |
| 85 | + e.printStackTrace(); |
| 86 | + } |
| 87 | + } |
| 88 | +} |
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