Rename java solution 23 && 25

Author: gavinfish

java/_023MergekSortedLists.java renamed to java/_023MergeKSortedLists.java

@@ -5,7 +5,7 @@
  * <p>
  * Created by drfish on 16/04/2017.
  */
-public class _023MergekSortedLists {
+public class _023MergeKSortedLists {
     public ListNode mergeKLists(ListNode[] lists) {
         PriorityQueue<ListNode> nodesHeap = new PriorityQueue<ListNode>((n1, n2) -> (n1.val - n2.val));
         for (ListNode node : lists) {

java/_25ReverNodesInkGroup.java renamed to java/_025ReverseNodesInKGroup.java

@@ -16,7 +16,7 @@
  * <p>
  * Created by drfish on 16/04/2017.
  */
-public class _25ReverNodesInkGroup {
+public class _025ReverseNodesInKGroup {
     public ListNode reverseKGroup(ListNode head, int k) {
         if (head == null || k <= 1)
             return head;