hello-algo/codes/java/utils/ListNode.java
Yudong Jin a005c6ebd3
Some improvements (#1073)
* Update avatar's link in the landing page

* Bug fixes

* Move assets folder from overrides to docs

* Reduce figures' corner radius

* Update copyright

* Update header image

* Krahets -> krahets

* Update the landing page
2024-02-07 22:21:18 +08:00

36 lines
850 B
Java
Executable file

/**
* File: ListNode.java
* Created Time: 2022-11-25
* Author: krahets (krahets@163.com)
*/
package utils;
/* Definition for a singly-linked list node */
public class ListNode {
public int val;
public ListNode next;
public ListNode(int x) {
val = x;
}
/* Generate a linked list with an array */
public static ListNode arrToLinkedList(int[] arr) {
ListNode dum = new ListNode(0);
ListNode head = dum;
for (int val : arr) {
head.next = new ListNode(val);
head = head.next;
}
return dum.next;
}
/* Get a list node with specific value from a linked list */
public static ListNode getListNode(ListNode head, int val) {
while (head != null && head.val != val) {
head = head.next;
}
return head;
}
}