diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/libraries/bystander.xml b/.idea/libraries/bystander.xml
new file mode 100644
index 0000000..7b4cffd
--- /dev/null
+++ b/.idea/libraries/bystander.xml
@@ -0,0 +1,10 @@
+<component name="libraryTable">
+  <library name="bystander">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/src/main/java/chapter11/bystander/TEST.zip!/" />
+      <root url="jar://$PROJECT_DIR$/src/main/java/chapter11/bystander/source.zip!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/gridworlddance.xml b/.idea/libraries/gridworlddance.xml
new file mode 100644
index 0000000..aba9e39
--- /dev/null
+++ b/.idea/libraries/gridworlddance.xml
@@ -0,0 +1,10 @@
+<component name="libraryTable">
+  <library name="gridworlddance">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/src/main/java/chapter11/gridworlddance/source.zip!/" />
+      <root url="jar://$PROJECT_DIR$/src/main/java/chapter11/gridworlddance/TEST.zip!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..120c03c
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="corretto-18" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..1fc6556
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/Java-Methods-Programs-AP-Comp-A-2021-2022.iml" filepath="$PROJECT_DIR$/Java-Methods-Programs-AP-Comp-A-2021-2022.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Java-Methods-Programs-AP-Comp-A-2021-2022.iml b/Java-Methods-Programs-AP-Comp-A-2021-2022.iml
new file mode 100644
index 0000000..f76df2b
--- /dev/null
+++ b/Java-Methods-Programs-AP-Comp-A-2021-2022.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/src/main/java/chapter11/bystander/TEST.zip b/src/main/java/chapter11/bystander/TEST.zip
deleted file mode 100644
index a2dba36..0000000
Binary files a/src/main/java/chapter11/bystander/TEST.zip and /dev/null differ
diff --git a/src/main/java/chapter11/bystander/source.zip b/src/main/java/chapter11/bystander/source.zip
deleted file mode 100644
index 00c9655..0000000
Binary files a/src/main/java/chapter11/bystander/source.zip and /dev/null differ
diff --git a/src/main/java/chapter11/gridworlddance/TEST.zip b/src/main/java/chapter11/gridworlddance/TEST.zip
deleted file mode 100644
index a2dba36..0000000
Binary files a/src/main/java/chapter11/gridworlddance/TEST.zip and /dev/null differ
diff --git a/src/main/java/chapter11/gridworlddance/source.zip b/src/main/java/chapter11/gridworlddance/source.zip
deleted file mode 100644
index 00c9655..0000000
Binary files a/src/main/java/chapter11/gridworlddance/source.zip and /dev/null differ