这道题目简单,在while中逐个遍历节点,并把节点存入创建的list中,在list中判断就可以。/* public class ListNode { int val; ListNode next = null; ListNode(int val) { this.val = val; }}/import java.util.;public class Solution { public ListNode EntryNodeOfLoop(ListNode pHead) { ArrayList list = new ArrayList<ListNode>();...