import java.util.*; 
import java.lang.*; 
import java.io.*; 

public class MenuProgram { 
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        boolean exit = false;
    }
        while (!exit) {
            System.out.println("=== Menú Principal ===");
            System.out.println("1. Área 1");
            System.out.println("2. Área 2");
            System.out.println("3. Área 3");
            System.out.println("4. Salir");
            System.out.print("Seleccione una opción: ");

            int choice = scanner.nextInt();

            switch (choice) {
                case 1:
                    areaMenu(scanner, "Área 1");
                    break;
                case 2:
                    areaMenu(scanner, "Área 2");
                    break;
                case 3:
                    areaMenu(scanner, "Área 3");
                    break;
                case 4:
                    System.out.println("Saliendo del programa...");
                    exit = true;
                    break;
                default:
                    System.out.println("Opción no válida, por favor intente de nuevo.");
            }
        }

        scanner.close();
    }

    public static void areaMenu(Scanner scanner, String areaName) {
        boolean back = false;

        while (!back) {
            System.out.println("=== " + areaName + " ===");
            System.out.println("1. Regresar al menú principal");
            System.out.println("2. Cerrar programa");
            System.out.print("Seleccione una opción: ");

            int areaChoice = scanner.nextInt();

            switch (areaChoice) {
                case 1:
                    back = true;
                    break;
                case 2:
                    System.out.println("Cerrando el programa...");
                    System.exit(0);
                    break;
                default:
                    System.out.println("Opción no válida, por favor intente de nuevo.");
            }
        }
    }
}

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