file:/media/gicorada/Scuola/Anni%20Severi/22-23/Informatica/java-scuola/NetBeans%20Projects/pile/src/pile/Pile.java file:/media/gicorada/Scuola/Anni%20Severi/22-23/Informatica/java-scuola/NetBeans%20Projects/pile/src/pile/Pair.java