diff --git a/LightWeightJsonParser/LWJson.cs b/LightWeightJsonParser/LWJson.cs
index 8b430ac..11fef28 100644
--- a/LightWeightJsonParser/LWJson.cs
+++ b/LightWeightJsonParser/LWJson.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 
 namespace LightWeightJsonParser
 {
@@ -38,8 +39,13 @@ public virtual LWJson this[string key]
             get { throw new NotImplementedException(); }
             set { throw new NotImplementedException(); }
         }
-        #endregion
 
+        public virtual bool ContainsKey(string key) => false;
+
+        public virtual IEnumerator<LWJson> GetEnumerator() 
+            => throw new NotImplementedException();
+
+        #endregion
 
         #region EVENTS
         /// <summary>
diff --git a/LightWeightJsonParser/LWJsonArray.cs b/LightWeightJsonParser/LWJsonArray.cs
index a115287..d25b609 100644
--- a/LightWeightJsonParser/LWJsonArray.cs
+++ b/LightWeightJsonParser/LWJsonArray.cs
@@ -29,6 +29,11 @@ public override LWJson this[string key]
         }
         #endregion
 
+        public override IEnumerator<LWJson> GetEnumerator()
+        {
+            foreach (var lwJson in ArrayData)
+                yield return lwJson;
+        }
 
         #region PROPERTIES
         public override JsonDataType DataType { get { return JsonDataType.Array; } }
diff --git a/LightWeightJsonParser/LWJsonObject.cs b/LightWeightJsonParser/LWJsonObject.cs
index 16f2697..459098d 100644
--- a/LightWeightJsonParser/LWJsonObject.cs
+++ b/LightWeightJsonParser/LWJsonObject.cs
@@ -30,7 +30,6 @@ public override LWJson this[string key]
         }
         #endregion
 
-
         #region PROPERTIES
         public override JsonDataType DataType { get { return JsonDataType.Object; } }
 
@@ -123,7 +122,7 @@ public LWJsonObject Remove(string key)
         /// </summary>
         /// <param name="key"></param>
         /// <returns>True if this object contains a data-pair with the provided key, false otherwise.</returns>
-        public bool ContainsKey(string key)
+        public override bool ContainsKey(string key)
         {
             return m_ObjectData.ContainsKey(key);
         }