单向链表反转

Posted 2021-02-21 laydown

/**
 * 单向链表反转
 */
public class RevertLinkedNode {

    public static class Node<T> {

        public T value;

        public Node next;

        public Node(T node) {
            this.value = node;
        }

    }

    public static Node revertNode(Node node) {
        Node pre = null;
        Node next = null;
        while (node != null) {
            next = node.next;
            node.next = pre;
            pre = node;
            node = next;
        }
        return pre;
    }

}