Reverse a LinkedList

ReverseLinkedList.java

public class ReverseLinkedList {
  static class Node {
    int value;
    Node next;
    Node(int value, Node next) {
      this.value = value;
      this.next = next;
    }

    @Override public String toString() {
      if (next == null) return Integer.toString(value);
      return value + ", " + next.toString();
    }
  }

  static Node reverse(Node node) {
    if (node.next == null) return node;
    Node head = reverse(node.next);
    Node n = head;
    while (n.next != null) n = n.next;
    n.next = node;
    node.next = null;
    return head;
  }

  public static void main(String[] args) {
    Node head = new Node(1, new Node(2, new Node(3, new Node(4, new Node(5, null)))));
    System.out.println(head); // 1, 2, 3, 4, 5
    Node reversed = reverse(head);
    System.out.println(reversed); // 5, 4, 3, 2, 1
  }
}