diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/dictionaries/project.xml b/.idea/dictionaries/project.xml
new file mode 100644
index 0000000..5778c01
--- /dev/null
+++ b/.idea/dictionaries/project.xml
@@ -0,0 +1,7 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="project">
+    <words>
+      <w>oznur</w>
+    </words>
+  </dictionary>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..89ee753
--- /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" languageLevel="JDK_24" default="true" project-jdk-name="24" 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..101ac81
--- /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://$PROJECT_DIR$/.idea/software-dev-course-git-collab.iml" filepath="$PROJECT_DIR$/.idea/software-dev-course-git-collab.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/software-dev-course-git-collab.iml b/.idea/software-dev-course-git-collab.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/software-dev-course-git-collab.iml
@@ -0,0 +1,9 @@
+<?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://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ 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/contributor.txt b/contributor.txt
new file mode 100644
index 0000000..d79e5a3
--- /dev/null
+++ b/contributor.txt
@@ -0,0 +1 @@
+This file was added by OznurKaya1.
\ No newline at end of file