Linked list 二维数组链表

任何关于我做错了什么的暗示在过去的三天里，我一直在试图弄清楚这一点。我的节点应该指向下方和右侧。对于我的2d数组矩阵。这是我的节点类，这是我的方法。只要让我知道我是否在正确的轨道上，或者我是否偏离了方向。谢谢

public class Array2DNode<E> {
    public E item;
    protected Array2DNode<E> nextRow=null;
    protected Array2DNode<E> nextCol=null;


    public Array2DNode(){

    }

    public Array2DNode(E item){
        this.item = item;
        this.nextRow = null;
        this.nextCol = null;


    }


}


   public Array2D(E[][] array) {

        this.rows = array.length;
        this.cols = array[0].length;

        int countNextRow = 0;
        int countNextCol = 0;


        while (head == null) {
            Array2DNode arrayNode= new Array2DNode(array[countNextRow][countNextCol]);
            this.head = arrayNode;
            this.rowTail = arrayNode;
            this.colTail = arrayNode;
        }


        //this links everything vertically
        for (countNextCol = 0; countNextCol < cols; countNextCol++) {
            for (countNextRow = 0; countNextRow < rows; countNextRow++) {
                if (countNextRow == 0 && countNextCol == 0) {
                    //do nothing
                } else {
                    Array2DNode arrayNode = new Array2DNode<>(array[countNextRow][countNextCol]); //1,0
                    this.rowTail.nextRow = arrayNode;
                    this.rowTail = arrayNode;
                }
            }
        }

        //this links everything horizontally
        for (countNextRow = 0; countNextRow < rows; countNextRow++) {
            for (countNextCol = 0; countNextCol < cols; countNextCol++) {
                if (countNextRow == 0 && countNextCol == 0) {
                    //do nothing
                } else {
                    Array2DNode arrayNode = new Array2DNode<>(array[countNextRow][countNextCol]); //1,0
                    this.colTail.nextCol = arrayNode;
                    this.colTail = arrayNode;
                }
            }
        }

        
    }

公共类Array2DNode{
公共电子项目；
受保护的Array2DNode nextRow=null；
受保护的Array2DNode nextCol=null；
公共Array2DNode（）{
}
公共阵列2dnode（E项）{
this.item=项目；
this.nextRow=null；
this.nextCol=null；
}
}
公共阵列2d（E[][]阵列）{
this.rows=array.length；
this.cols=数组[0]。长度；
int countNextRow=0；
int countNextCol=0；
while（head==null）{
Array2DNode arrayNode=新的Array2DNode（数组[countNextRow][countNextCol]）；
this.head=arrayNode；
this.rowTail=arrayNode；
this.colTail=arrayNode；
}
//这将垂直链接所有内容
for（countNextCol=0；countNextCol