Method print

src/com/blankj/structure/ListNode.java:40–52

(ListNode listNode)

    }

    public static void print(ListNode listNode) {
        if (listNode == null) {
            System.out.println("null");
            return;
        }
        StringBuilder str = new StringBuilder("[" + String.valueOf(listNode.val));
        ListNode p = listNode.next;
        while (p != null) {
            str.append(",").append(String.valueOf(p.val));
            p = p.next;
        }
        System.out.println(str.append("]"));
    }
}