public class Articulos001 {
	static InputStreamReader isr = new InputStreamReader(System.in);
	static BufferedReader br = new BufferedReader(isr);
	static Articulos002 A2[]= new Articulos002[10]; //Inicializa esto de una vez, y no en el metodo main n(String[] args)
	static int i = 0;
	public static void main(String[] args) throws IOException {
		String opcion;
		int i=0;
		for (i = 0; i < A2.length; i++)
			A2[i] = null;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Articulos001 {
	static InputStreamReader isr = new InputStreamReader(System.in);
	static BufferedReader br = new BufferedReader(isr);
	  static Articulos002 A2[]= new Articulos002[10]; 
	static int i = 0;
	static void menu1() throws IOException {
		String opcion;
		int i=0;
		for (i = 0; i < A2.length; i++)
			A2[i] = null;
		System.out.println("ARTICULOS");
		System.out.println("1 - A&#65533;adir");
		System.out.println("2 - Modificar");
		System.out.println("3 - eliminiar");
		System.out.println("4 - Buscar");
		System.out.println("5 - Menu");
		System.out.println("6 - Salir");
		opcion = br.readLine();
		while (!opcion.equals("6")) {
			if (opcion.equals("1"))
				agregar();
			else if (opcion.equals("2"))
				modificar();
			else if (opcion.equals("3"))
				eliminar();
			else if (opcion.equals("4"))
				buscar();
			else if (opcion.equals("5"))
				Controldetienda.main(null);
			else
				System.out.println("Opci&#65533;n incorrecta..");
			System.out.println("1 - A&#65533;adir");
			System.out.println("2 - Modificar");
			System.out.println("3 - eliminiar");
			System.out.println("4 - Buscar");
			System.out.println("5 - Menu");
			System.out.println("6 - Salir");
			opcion = br.readLine();
		}
	}
 

import java.io.IOException;
import java.util.Scanner;
public class Controldetienda {
	public static void main(String[] args) throws IOException {
		Scanner ent = new Scanner(System.in);
		int opc;
		do {
			System.out.println("MENU");
			System.out.println("1.Articulos");
			System.out.println("2.Clientes");
			System.out.println("3.Provedores");
			System.out.println("4.Ventas");
			System.out.println("5.Compras");
			System.out.println("6.Salir");
			opc = ent.nextInt();
			switch (opc) {
			case 1:
				Articulos001.menu1();
			case 2: