Update Solution.java

Author: javadev

src/main/java/g1701_1800/s1721_swapping_nodes_in_a_linked_list/Solution.java

@@ -4,19 +4,18 @@
 
 import com_github_leetcode.ListNode;
 
+@SuppressWarnings("java:S2259")
 public class Solution {
  public ListNode swapNodes(ListNode head, int k) {
  int length = 0;
  int secondIndex;
-
  ListNode temp1 = null;
  ListNode temp2 = null;
  ListNode temp3 = head;
  while (temp3 != null) {
  length++;
  temp3 = temp3.next;
  }
-
  secondIndex = length - k + 1;
  temp3 = head;
  try {
@@ -32,8 +31,8 @@ public ListNode swapNodes(ListNode head, int k) {
  int value = temp1.val;
  temp1.val = temp2.val;
  temp2.val = value;
- } catch (Exception e) {
- System.out.println(e.getMessage());
+ } catch (Exception ignored) {
+ // ignore
  }
  return head;
  }