diff --git a/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/java/org/jesperancinha/ktd/crums1/bertnernie/ImmutableBertAndErnieJava.java b/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/java/org/jesperancinha/ktd/crums1/bertnernie/ImmutableBertAndErnieJava.java
index 5132149d2..205a6c646 100644
--- a/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/java/org/jesperancinha/ktd/crums1/bertnernie/ImmutableBertAndErnieJava.java
+++ b/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/java/org/jesperancinha/ktd/crums1/bertnernie/ImmutableBertAndErnieJava.java
@@ -7,4 +7,8 @@ public String helloBert() {
         final String helloErnie = "and I'm Ernie";
         return helloBert.concat(" ").concat(helloErnie);
     }
+
+    public String helloBertClean(){
+        return "Hello! I'm Bert and I'm Ernie";
+    }
 }
diff --git a/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/kotlin/org/jesperancinha/ktd/crums1/bertnernie/BertAndErnieLauncher.kt b/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/kotlin/org/jesperancinha/ktd/crums1/bertnernie/BertAndErnieLauncher.kt
index 728e69c61..ec611adec 100644
--- a/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/kotlin/org/jesperancinha/ktd/crums1/bertnernie/BertAndErnieLauncher.kt
+++ b/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/kotlin/org/jesperancinha/ktd/crums1/bertnernie/BertAndErnieLauncher.kt
@@ -4,8 +4,10 @@ class BertAndErnieLauncher {
     companion object {
         @JvmStatic
         fun main(args: Array<String>) {
-            println(ImmutableBertAndErnie().helloBert())
             println(ImmutableBertAndErnieJava().helloBert())
+            println(ImmutableBertAndErnieJava().helloBertClean())
+            println(ImmutableBertAndErnie().helloBert())
+            println(ImmutableBertAndErnie().helloBertClean())
         }
     }
 }
\ No newline at end of file
diff --git a/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/kotlin/org/jesperancinha/ktd/crums1/bertnernie/ImmutableBertAndErnie.kt b/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/kotlin/org/jesperancinha/ktd/crums1/bertnernie/ImmutableBertAndErnie.kt
index 7339d73a8..697086d45 100644
--- a/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/kotlin/org/jesperancinha/ktd/crums1/bertnernie/ImmutableBertAndErnie.kt
+++ b/jeorg-kotlin-crums/jeorg-kotlin-crums-1/src/main/kotlin/org/jesperancinha/ktd/crums1/bertnernie/ImmutableBertAndErnie.kt
@@ -6,4 +6,6 @@ class ImmutableBertAndErnie {
         val hello = "Hello! I'm Bert"
         return "$hello and I'm Ernie"
     }
+
+    fun helloBertClean() = "Hello! I'm Bert and I'm Ernie"
 }
\ No newline at end of file