ava function 24

avafrohna · avafrohna · commit 8da8f07239f2 · 2024-06-14T11:40:42.000+02:00
diff --git a/src/main/java/com/fishercoder/solutions/_24.java b/src/main/java/com/fishercoder/solutions/_24.java
@@ -1,6 +1,8 @@
 package com.fishercoder.solutions;
 
 import com.fishercoder.common.classes.ListNode;
+import java.util.HashMap;
+import java.util.Map;
 
 public class _24 {
     public static class Solution1 {
@@ -24,23 +26,28 @@ public static class Solution2 {
          * Iterative approach:
          * My completely original on 10/24/2021.
          */
+        private static Map<String, Boolean> branchCoverage = new HashMap<>();
+
+        static {
+            branchCoverage.put("flag1", false);
+            branchCoverage.put("flag2", false);
+            branchCoverage.put("flag3", false);
+        }
+
         public ListNode swapPairs(ListNode head) {
-            boolean flag1 = false;
-            boolean flag2 = false;
-            boolean flag3 = false;
             ListNode pre = new ListNode(-1);
             pre.next = head;
             ListNode tmp = pre;
             while (head != null) {
-                flag1 = true;
+                branchCoverage.put("flag1", true);
                 ListNode third;
                 ListNode first = head;
                 ListNode second = head.next;
                 if (second == null) {
-                    flag2 = true;
+                    branchCoverage.put("flag2", true);
                     break;
                 } else {
-                    flag3 = true;
+                    branchCoverage.put("flag3", true);
                     third = head.next.next;
                     second.next = first;
                     first.next = third;
@@ -49,11 +56,14 @@ public ListNode swapPairs(ListNode head) {
                 }
                 head = third;
             }
-            System.out.println("Flag1: " + flag1 + "\n");
-            System.out.println("Flag2: " + flag2 + "\n");
-            System.out.println("Flag3: " + flag3 + "\n");
+            printCoverage();
             return pre.next;
         }
-    }
 
+        public void printCoverage() {
+            for (Map.Entry<String, Boolean> entry : branchCoverage.entrySet()) {
+                System.out.println(entry.getKey() + " was " + (entry.getValue() ? "hit" : "not hit"));
+            }
+        }
+    }
 }
