Java: convert String to int and vice versa

// string to int

int numEntero = Integer.parseInt(numCadena);

// int to String

String numCadena= String.valueOf(numEntero);

Source:
http://emilio.aesinformatica.com/2007/11/22/pasar-de-int-a-string-y-de-string-a-int-en-java/