NoteAppInteractive.java

// File: NoteAppInteractive.java
import java.util.ArrayList;
import java.util.Scanner;

public class NoteAppInteractive {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        ArrayList<Note> notes = new ArrayList<>();

        int pilihan;
        do {
            System.out.println("\n=== Aplikasi Catatan Pribadi ===");
            System.out.println("1. Tambah Catatan");
            System.out.println("2. Lihat Semua Catatan");
            System.out.println("3. Keluar");
            System.out.print("Pilih menu: ");
            pilihan = scanner.nextInt();
            scanner.nextLine(); // membersihkan buffer enter

            switch (pilihan) {
                case 1:
                    System.out.print("Masukkan judul catatan: ");
                    String title = scanner.nextLine();
                    System.out.print("Masukkan isi catatan: ");
                    String content = scanner.nextLine();

                    notes.add(new Note(title, content));
                    System.out.println("✅ Catatan berhasil ditambahkan!");
                    break;

                case 2:
                    System.out.println("\n=== Daftar Catatan ===");
                    if (notes.isEmpty()) {
                        System.out.println("Belum ada catatan.");
                    } else {
                        for (int i = 0; i < notes.size(); i++) {
                            System.out.println((i + 1) + ". ");
                            notes.get(i).displayNote();
                        }
                    }
                    break;

                case 3:
                    System.out.println("Terima kasih telah menggunakan aplikasi catatan!");
                    break;

                default:
                    System.out.println("Pilihan tidak valid.");
            }

        } while (pilihan != 3);

        scanner.close();
    }
}

// Class Note dengan atribut title dan content
class Note {
    private String title;
    private String content;

    // Constructor
    public Note(String title, String content) {
        this.title = title;
        this.content = content;
    }

    // Method untuk menampilkan catatan
    public void displayNote() {
        System.out.println("Judul : " + title);
        System.out.println("Isi   : " + content);
        System.out.println("-----------------------------");
    }
}