Net Beaans

public static String ReadString() throws IOException

{

return br.readLine();

}

public static void main(String[] args, int numero) throws IOException {

br=new BufferedReader(new InputStreamReader(System.in));

String o;

int opc;

TPLista N;

float valor, op1, op2;

N = new TPLista (); //Pila con arreglos

//TPilaP(); Pila con nodos

do {

System.out.println("1.-Ingresar Numero ");

System.out.println("2.-mostrar lista");

System.out.println("0.-Terminar");

System.out.print("\n Ingrese la opcion: ");

o = br.readLine();

opc = Integer.valueOf(o).intValue();

switch ( opc )

{

case 1: // operando

System.out.println("ingre Numero ");

per.setNumero(br.readLine());

if (numero >=0)

numnero =

else ()

case 2: // operador

System.out.print("Operador: ");

o = br.readLine();

break;

}

}

while (opc != 0);

...