力扣：160. 相交链表

力扣：

160. 相交链表

难度简单1783收藏分享切换为英文接收动态反馈

/**
 * Definition for singly-linked list.
 * public class ListNode {
 *     int val;
 *     ListNode next;
 *     ListNode(int x) {
 *         val = x;
 *         next = null;
 *     }
 * }
 */
public class Solution {
    public ListNode getIntersectionNode(ListNode headA, ListNode headB) {
         ListNode a = headA, b = headB;
        while (a != b){
            a = a == null ? headB : a.next;
            b = b == null ? headA : b.next;
        }
        return a;
    }   
}