diff --git a/src/main/java/io/zipcoder/Problem2.java b/src/main/java/io/zipcoder/Problem2.java
index e0af6a0..5bbf306 100644
--- a/src/main/java/io/zipcoder/Problem2.java
+++ b/src/main/java/io/zipcoder/Problem2.java
@@ -1,4 +1,30 @@
 package io.zipcoder;
 
+import java.util.ArrayList;
+
 public class Problem2 {
+
+    public String fibon(int n) {
+        ArrayList <Integer> arrayList = new ArrayList <Integer>();
+        arrayList.add(0);
+        arrayList.add(1);
+
+        Integer lowerIndex = 0;
+        Integer higherIndex = 1;
+        Integer nextInt;
+
+        do {
+            nextInt = arrayList.get(lowerIndex) + arrayList.get(higherIndex);
+            if (nextInt > n) {
+                break;
+            }
+            arrayList.add(nextInt);
+            lowerIndex++;
+            higherIndex++;
+        } while (true);
+
+        return arrayList.toString();
+
+    }
+
 }
diff --git a/src/test/java/io/zipcoder/Problem2Test.java b/src/test/java/io/zipcoder/Problem2Test.java
index fa9ffa5..b5c7de6 100644
--- a/src/test/java/io/zipcoder/Problem2Test.java
+++ b/src/test/java/io/zipcoder/Problem2Test.java
@@ -1,4 +1,19 @@
 package io.zipcoder;
 
+import org.junit.Assert;
+import org.junit.Test;
+
 public class Problem2Test {
+    Problem2 test = new Problem2();
+
+    @Test
+    public void fibonacciIterationTest(){
+        String expected = "0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144";
+
+        String actual = test.fibon(150);
+
+        Assert.assertEquals(expected,actual);
+    }
+
+
 }