diff --git a/module1/src/main/scala/Example1.scala b/module1/src/main/scala/Example1.scala
index 5fbc7ba..49f5027 100644
--- a/module1/src/main/scala/Example1.scala
+++ b/module1/src/main/scala/Example1.scala
@@ -1,3 +1,8 @@
 object Example1 {
   def sum(a: Int, b: Int) = a + b
+
+  def ExampleIssues: Unit = {
+    val isEmpty = List(1).size == 0
+    ???
+  }
 }
diff --git a/module2/src/main/scala/Example2.scala b/module2/src/main/scala/Example2.scala
index d9afd60..02c19a8 100644
--- a/module2/src/main/scala/Example2.scala
+++ b/module2/src/main/scala/Example2.scala
@@ -1,3 +1,8 @@
 object Example2 {
   def sum(a: Int, b: Int) = a + b
+
+  def ExampleIssues: Unit = {
+    val a = (14 / 1).toInt
+    return ()
+  }
 }