diff --git a/src/main/java/com/search/IterativeBinarySearch.java b/src/main/java/com/search/IterativeBinarySearch.java
new file mode 100644
index 000000000000..17d88808ef58
--- /dev/null
+++ b/src/main/java/com/search/IterativeBinarySearch.java
@@ -0,0 +1,38 @@
+package com.search;
+
+/**
+ * Binary search is an algorithm which finds the position of a target value within a sorted array
+ *
+ * Worst-case performance O(log n)
+ * Best-case performance O(1)
+ * Average performance O(log n)
+ * Worst-case space complexity O(1)
+ */
+public final class IterativeBinarySearch {
+
+ /**
+ * @param array a sorted array
+ * @param key the key to search in array
+ * @return the index of key in the array or -1 if not found
+ */
+ public static > int find(T[] array, T key) {
+ int left = 0;
+ int right = array.length - 1;
+
+ while (left <= right) {
+ int middle = (left + right) / 2;
+ int compareTo = key.compareTo(array[middle]);
+
+ if (compareTo == 0) {
+ return middle;
+ } else if (compareTo < 0) {
+ right = --middle;
+ } else {
+ left = ++middle;
+ }
+ }
+
+ return -1;
+ }
+
+}
diff --git a/src/test/java/com/search/IterativeBinarySearchTest.java b/src/test/java/com/search/IterativeBinarySearchTest.java
new file mode 100644
index 000000000000..c434de9832cc
--- /dev/null
+++ b/src/test/java/com/search/IterativeBinarySearchTest.java
@@ -0,0 +1,26 @@
+package com.search;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class IterativeBinarySearchTest {
+
+ @Test
+ void testIterativeBinarySearch() {
+ Integer[] arr1 = {1, 2, 3, 5, 8, 13, 21, 34, 55};
+ Assertions.assertEquals(2, IterativeBinarySearch.find(arr1, 3), "Incorrect index");
+ Assertions.assertEquals(0, IterativeBinarySearch.find(arr1, 1), "Incorrect index");
+ Assertions.assertEquals(8, IterativeBinarySearch.find(arr1, 55), "Incorrect index");
+ Assertions.assertEquals(-1, IterativeBinarySearch.find(arr1, -2), "Incorrect index");
+ Assertions.assertEquals(-1, IterativeBinarySearch.find(arr1, 4), "Incorrect index");
+
+ String[] arr2 = {"A", "B", "C", "D"};
+ Assertions.assertEquals(2, IterativeBinarySearch.find(arr2, "C"), "Incorrect index");
+ Assertions.assertEquals(1, IterativeBinarySearch.find(arr2, "B"), "Incorrect index");
+ Assertions.assertEquals(-1, IterativeBinarySearch.find(arr2, "F"), "Incorrect index");
+
+ String[] arr3 = {};
+ Assertions.assertEquals(-1, IterativeBinarySearch.find(arr3, ""), "Incorrect index");
+ }
+
+}