java - 尝试打印链接列表，但一直给我一个空的列表？ [关闭](Trying to print a linked list but keeps giving me an empty one? [closed])

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I am trying to print out a linked list in java with add method.

(我正在尝试使用add方法在java中打印出链接列表。)

Adding elements to an empty linked list.

(将元素添加到空链表。)

But I seem to be just getting an empty linked list returned.

(但是我似乎只是得到一个空的链表返回。)

Here is the add method:

(这是添加方法：)

public void add(int index, T value) throws ListAccessError {

    }

This is what I am printing or trying to print out:

(这是我正在打印或尝试打印的内容：)

 public static void main(String[] args) throws ListAccessError {
    SinglyLinkedLists<String> stringLinkedList = new SinglyLinkedLists<String>();
    stringLinkedList.add(0, "9");
    stringLinkedList.add(1, "8");
    stringLinkedList.add(2, "7");
    stringLinkedList.add(3, "6");
    System.out.println(stringLinkedList);
}

  ask by ali translate from so

Answer 1

等待大神答复