diff --git a/.idea/misc.xml b/.idea/misc.xml
index 03f397c..10a22f9 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="19" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_23" default="true" project-jdk-name="19" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/Main.kt b/src/Main.kt
index a7a5e00..c71ad6b 100644
--- a/src/Main.kt
+++ b/src/Main.kt
@@ -1,3 +1,16 @@
 fun main() {
-    println("Hello World!")
+
+    val kotlinMasterClass = Book("Kotlin guide from zero to hero", yearPublished = 2025, author = "Ali Taqi & Majed" );
+    println(kotlinMasterClass.getBookInfo())
+
+}
+
+
+
+class Book(var title: String, var author: String, var yearPublished: Int) {
+
+    fun getBookInfo():String{
+        return "$title By $author ($yearPublished)";
+    }
+
 }
\ No newline at end of file