可以指針,當我們改變另一個指針指向同一個地址錯誤逆轉鏈表
代碼逆轉鏈表
Node Reverse(Node node) {
Node prev = null;
Node current = node;
Node next = null;
Node n = null;
while (current != null) {
n = current;
next = current.next; //this works
n.next = prev;
// next = current.next; //this does not
prev = n;
current = next;
}
node = prev;
return node;
}
無疑將改變: 如何節點n影響節點電流。當我寫n.next時,目前受到影響,但爲什麼?