style: enable EqualsHashCode in checkstyle (#5157)

TheAlgorithms · May 12, 2024 · 5703be5 · 5703be5
1 parent 319d514
commit 5703be5
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/checkstyle.xml b/checkstyle.xml
@@ -161,7 +161,7 @@
     <!-- Checks for common coding problems               -->
     <!-- See https://checkstyle.org/checks/coding/index.html -->
     <module name="EmptyStatement"/>
-    <!-- TODO <module name="EqualsHashCode"/> -->
+    <module name="EqualsHashCode"/>
     <!-- TODO <module name="HiddenField"/> -->
     <module name="IllegalInstantiation"/>
     <!-- TODO <module name="InnerAssignment"/> -->

diff --git a/src/main/java/com/thealgorithms/datastructures/trees/KDTree.java b/src/main/java/com/thealgorithms/datastructures/trees/KDTree.java
@@ -81,6 +81,11 @@ public boolean equals(Object obj) {
             return false;
         }
 
+        @Override
+        public int hashCode() {
+            return Arrays.hashCode(coordinates);
+        }
+
         @Override
         public String toString() {
             return Arrays.toString(coordinates);