package normal;

/**

* @program JavaBooks

* @description: 链表

* @author: mf

* @create: 2019/10/17 01:03

*/

public class ListNode {

int val;

ListNode next;

public ListNode(int val) {

this.val = val;

}

public static ListNode setListNode(int[] arr) {

ListNode node = new ListNode(-1);

ListNode p1 = node;

for (int num : arr) {

ListNode temp = new ListNode(num);

p1.next = temp;

p1 = p1.next;

}

return node.next;

}

public static void printNode(ListNode node) {

while (node != null) {

System.out.print(node.val + "->");

node = node.next;

}

System.out.print("null");

}

}