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当前朋友们对“链表反转java代码”可能比较关注,我们都需要了解一些“链表反转java代码”的相关文章。那么小编同时在网上收集了一些对于“链表反转java代码””的相关资讯,希望各位老铁们能喜欢,大家一起来学习一下吧!/** * 链表反转 */public class ListNode { public Integer num; public ListNode next; public ListNode(Integer num) { this.num = num; } public static void main(String[] args) { ListNode node = new ListNode(1); ListNode node2 = new ListNode(2); ListNode node3 = new ListNode(3); ListNode node4 = new ListNode(4); node.next = node2; node2.next = node3; node3.next = node4; ListNode tempPrint = node; while (tempPrint != null) { System.out.println(tempPrint.num); tempPrint = tempPrint.next; } System.out.println("----------反转-------"); ListNode reverNode = reverseNode(node); while (reverNode != null) { System.out.println(reverNode.num); reverNode = reverNode.next; } } public static ListNode reverseNode(ListNode node) { ListNode pre = null; ListNode curr = node; if (curr == null) { return null; } if (curr.next == null) { return node; } while (curr != null) { ListNode temp = curr.next; curr.next = pre; pre = curr; curr = temp; } return pre; }}
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