diff --git a/.idea/modules.xml b/.idea/modules.xml
index 0b7ca79..6c5e432 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -57,6 +57,7 @@
       <module fileurl="file://$PROJECT_DIR$/53-CustomExceptions/53-CustomExceptions.iml" filepath="$PROJECT_DIR$/53-CustomExceptions/53-CustomExceptions.iml" />
       <module fileurl="file://$PROJECT_DIR$/54-AnonymousObjects/54-AnonymousObjects.iml" filepath="$PROJECT_DIR$/54-AnonymousObjects/54-AnonymousObjects.iml" />
       <module fileurl="file://$PROJECT_DIR$/55-InnerClasses/55-InnerClasses.iml" filepath="$PROJECT_DIR$/55-InnerClasses/55-InnerClasses.iml" />
+      <module fileurl="file://$PROJECT_DIR$/56-AnonymousInnerClass/56-AnonymousInnerClass.iml" filepath="$PROJECT_DIR$/56-AnonymousInnerClass/56-AnonymousInnerClass.iml" />
       <module fileurl="file://$PROJECT_DIR$/GUIApps/GUIApps.iml" filepath="$PROJECT_DIR$/GUIApps/GUIApps.iml" />
       <module fileurl="file://$PROJECT_DIR$/.idea/Tutorials.iml" filepath="$PROJECT_DIR$/.idea/Tutorials.iml" />
     </modules>
diff --git a/54-AnonymousObjects/src/Main.java b/54-AnonymousObjects/src/Main.java
index 72d805b..e0356a5 100644
--- a/54-AnonymousObjects/src/Main.java
+++ b/54-AnonymousObjects/src/Main.java
@@ -22,7 +22,7 @@ public static void main(String[] args) {
             frame.add(deck.get(i - 1));
         }
 
-        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         frame.setSize(500, 500);
         frame.setLayout(new FlowLayout());
         frame.setVisible(true);
diff --git a/55-InnerClasses/55-InnerClasses.iml b/55-InnerClasses/55-InnerClasses.iml
index 5ec7339..0d0abb9 100644
--- a/55-InnerClasses/55-InnerClasses.iml
+++ b/55-InnerClasses/55-InnerClasses.iml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module type="JAVA_MODULE" version="4">
   <component name="NewModuleRootManager">
-    <output url="file://$MODULE_DIR$/out/production/" />
+    <output url="file://$MODULE_DIR$/out/production" />
     <output-test url="file://$MODULE_DIR$/../out/test/55-InnerClasses" />
     <exclude-output />
     <content url="file://$MODULE_DIR$">
diff --git a/56-AnonymousInnerClass/56-AnonymousInnerClass.iml b/56-AnonymousInnerClass/56-AnonymousInnerClass.iml
new file mode 100644
index 0000000..0440042
--- /dev/null
+++ b/56-AnonymousInnerClass/56-AnonymousInnerClass.iml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <output url="file://$MODULE_DIR$/out/production/" />
+    <output-test url="file://$MODULE_DIR$/../out/test/56-AnonymousInnerClass" />
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/56-AnonymousInnerClass/src/Frame.java b/56-AnonymousInnerClass/src/Frame.java
new file mode 100644
index 0000000..554a74a
--- /dev/null
+++ b/56-AnonymousInnerClass/src/Frame.java
@@ -0,0 +1,6 @@
+public class Frame {
+
+    Frame() {
+
+    }
+}
diff --git a/56-AnonymousInnerClass/src/Main.java b/56-AnonymousInnerClass/src/Main.java
new file mode 100644
index 0000000..eadd700
--- /dev/null
+++ b/56-AnonymousInnerClass/src/Main.java
@@ -0,0 +1,19 @@
+public class Main {
+    public static void main(String[] args) {
+
+        /*anonymous class - an inner class without a name.
+         Only a single object is created from one.
+         The object may have “extras” or "changes"
+         and no need to create a separate innerclass
+         when it only needs it once.
+         Helps us to avoid cluttering code with a class name.
+
+         Syntax is similar to a constructor,
+         except that there is also a class definition
+         within a block of code.
+         GREAT FOR LISTENERS
+         */
+
+        
+    }
+}