danielex1999
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@@ -12,6 +12,8 @@ Kata Found realized
 
 - [A + B](aSumB)
 
+- [A Needle in the Haystack](aNeedleInTheHaystack)
+
 - [Find Nearest square number](findNearestSquareNumber)
 
 
@@ -0,0 +1,13 @@
+package kyu8.aNeedleInTheHaystack;
+
+public class Kata {
+    public static String findNeedle(Object[] haystack) {
+
+        for (int i = 0; i < haystack.length; i++) {
+            if ("needle".equals(haystack[i])) {
+                return "found the needle at position " + i;
+            }
+        }
+        return "needle be lost, yo";
+    }
+}
@@ -0,0 +1,17 @@
+# A Needle in the Haystack
+
+Can you find the needle in the haystack?
+
+Write a function `findNeedle()` that takes an `array` full of junk but containing one `"needle"`
+
+After your function finds the needle it should return a message (as a string) that says:
+
+`"found the needle at position "` plus the `index` it found the needle, so:
+
+**Example(Input --> Output)**
+
+```java
+["hay", "junk", "hay", "hay", "moreJunk", "needle", "randomJunk"] --> "found the needle at position 5" 
+```
+
+should return ```"found the needle at position 5"```
@@ -0,0 +1,23 @@
+package kyu8.aNeedleInTheHaystack;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class testKata {
+    @Test
+    public void tests() {
+        Object[] haystack1 = {"3", "123124234", null, "needle", "world", "hay", 2, "3", true, false};
+        Object[] haystack2 = {"283497238987234", "a dog", "a cat", "some random junk", "a piece of hay", "needle", "something somebody lost a while ago"};
+        Object[] haystack3 = {1,2,3,4,5,6,7,8,8,7,5,4,3,4,5,6,67,5,5,3,3,4,2,34,234,23,4,234,324,324,"needle",1,2,3,4,5,5,6,5,4,32,3,45,54};
+        assertEquals("found the needle at position 3", Kata.findNeedle(haystack1));
+        assertEquals("found the needle at position 5", Kata.findNeedle(haystack2));
+        assertEquals("found the needle at position 30", Kata.findNeedle(haystack3));
+    }
+
+    @Test
+    public void doNotCompareStringsWithEqualOperator() {
+        Object[] haystack = { "junk", "more junk", new String("needle"), "gadget" };
+        assertEquals("found the needle at position 2", Kata.findNeedle(haystack));
+    }
+}