From 100441e8f8a7312a56d012674e9146c333a775ad Mon Sep 17 00:00:00 2001
From: Neha Goud <nehagoud300@gmail.com>
Date: Sun, 15 Feb 2026 23:04:26 +0530
Subject: [PATCH 1/2] feat: add contains() method to DynamicArray

---
 .../dynamicarray/DynamicArray.java            | 15 +++++++++++++++
 .../dynamicarray/DynamicArrayTest.java        | 19 +++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/src/main/java/com/thealgorithms/datastructures/dynamicarray/DynamicArray.java b/src/main/java/com/thealgorithms/datastructures/dynamicarray/DynamicArray.java
index cd5dc580b694..424f688ad50f 100644
--- a/src/main/java/com/thealgorithms/datastructures/dynamicarray/DynamicArray.java
+++ b/src/main/java/com/thealgorithms/datastructures/dynamicarray/DynamicArray.java
@@ -126,6 +126,21 @@ public int getSize() {
     public boolean isEmpty() {
         return size == 0;
     }
+    /**
+ * Checks whether the array contains the specified element.
+ *
+ *  @param element the element to check for
+ *  @return true if the array contains the specified element, false otherwise
+ */
+    public boolean contains(final E element) {
+        for (int i = 0; i < size; i++) {
+          if (Objects.equals(elements[i], element)) {
+            return true;
+        }
+    }
+    return false;
+}
+
 
     /**
      * Returns a sequential stream with this collection as its source.
diff --git a/src/test/java/com/thealgorithms/datastructures/dynamicarray/DynamicArrayTest.java b/src/test/java/com/thealgorithms/datastructures/dynamicarray/DynamicArrayTest.java
index 8fdc93e1ca22..b4e6fa3a1841 100644
--- a/src/test/java/com/thealgorithms/datastructures/dynamicarray/DynamicArrayTest.java
+++ b/src/test/java/com/thealgorithms/datastructures/dynamicarray/DynamicArrayTest.java
@@ -255,4 +255,23 @@ public void testCapacityDoubling() {
         assertEquals(3, array.getSize());
         assertEquals("Charlie", array.get(2));
     }
+    @Test
+public void testContains() {
+    DynamicArray<Integer> array = new DynamicArray<>();
+    array.add(1);
+    array.add(2);
+    array.add(3);
+
+    assertTrue(array.contains(2));
+    assertFalse(array.contains(5));
+}
+
+@Test
+public void testContainsWithNull() {
+    DynamicArray<String> array = new DynamicArray<>();
+    array.add(null);
+
+    assertTrue(array.contains(null));
+}
+
 }

From fba2c5f87c0ef5ecd9f8bf62adf1125c461c054d Mon Sep 17 00:00:00 2001
From: Neha Goud <nehagoud300@gmail.com>
Date: Mon, 16 Feb 2026 19:56:37 +0530
Subject: [PATCH 2/2] style: fix clang formatting

---
 .../dynamicarray/DynamicArrayTest.java         | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/test/java/com/thealgorithms/datastructures/dynamicarray/DynamicArrayTest.java b/src/test/java/com/thealgorithms/datastructures/dynamicarray/DynamicArrayTest.java
index b4e6fa3a1841..13936630856a 100644
--- a/src/test/java/com/thealgorithms/datastructures/dynamicarray/DynamicArrayTest.java
+++ b/src/test/java/com/thealgorithms/datastructures/dynamicarray/DynamicArrayTest.java
@@ -256,15 +256,15 @@ public void testCapacityDoubling() {
         assertEquals("Charlie", array.get(2));
     }
     @Test
-public void testContains() {
-    DynamicArray<Integer> array = new DynamicArray<>();
-    array.add(1);
-    array.add(2);
-    array.add(3);
-
-    assertTrue(array.contains(2));
-    assertFalse(array.contains(5));
-}
+    public void testContains() {
+        DynamicArray<Integer> array = new DynamicArray<>();
+        array.add(1);
+        array.add(2);
+        array.add(3);
+
+        assertTrue(array.contains(2));
+        assertFalse(array.contains(5));
+    }
 
 @Test
 public void testContainsWithNull() {