From 1e4c8f2a5f0a5435d70d965e7d5c645c08f5045b Mon Sep 17 00:00:00 2001
From: La Programmatrice Verde <brianbassanetti.bb@gmail.com>
Date: Tue, 24 Mar 2026 08:48:06 +0100
Subject: [PATCH] addFirst

---
 src/linkedlist/Lista.java | 10 ++++++++++
 src/linkedlist/Nodo.java  | 20 ++++++++++++++++++--
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/src/linkedlist/Lista.java b/src/linkedlist/Lista.java
index 4c12ffc..6d6fe38 100644
--- a/src/linkedlist/Lista.java
+++ b/src/linkedlist/Lista.java
@@ -13,6 +13,16 @@ public class Lista<E> {
         return this.size;
     }
 
+    public void addFirst(E info) {
+        if (this.testa == null) {
+            this.testa = new Nodo<>(info);
+        }
+        else {
+            Nodo<E> nuovaTesta = new Nodo<>(info);
+            nuovaTesta.setNext(this.testa);
+            this.testa = nuovaTesta;
+        }
+    }
 
 //addFirst(tipoInfo info): aggiunge un nodo in testa (es. tipoInfo = char, tipoInfo = int)
 //addLast(tipoInfo info): aggiunge un nodo in coda (es. tipoInfo = char, tipoInfo = int)
diff --git a/src/linkedlist/Nodo.java b/src/linkedlist/Nodo.java
index 10fe585..b29e3f8 100644
--- a/src/linkedlist/Nodo.java
+++ b/src/linkedlist/Nodo.java
@@ -1,11 +1,27 @@
 package linkedlist;
 
 public class Nodo<E> {
-    Nodo next;
-    E info;
+    private Nodo<E> next;
+    private E info;
 
     public Nodo(E info) {
         this.info = info;
         this.next = null;
     }
+
+    public Nodo<E> getNext() {
+        return next;
+    }
+
+    public void setNext(Nodo<E> next) {
+        this.next = next;
+    }
+
+    public E getInfo() {
+        return info;
+    }
+
+    public void setInfo(E info) {
+        this.info = info;
+    }
 }