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/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000..a55e7a1
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..a818314
--- /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="17" 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..4812e96
--- /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://$PROJECT_DIR$/algoritmi_strutturedati.iml" filepath="$PROJECT_DIR$/algoritmi_strutturedati.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/algoritmi_strutturedati.iml b/algoritmi_strutturedati.iml
new file mode 100644
index 0000000..1267607
--- /dev/null
+++ b/algoritmi_strutturedati.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$/intro">
+      <sourceFolder url="file://$MODULE_DIR$/intro" isTestSource="false" packagePrefix="intro" />
+      <sourceFolder url="file://$MODULE_DIR$/intro/helloWorld" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="17" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/intro/helloWorld/HelloWorld.java b/intro/helloWorld/HelloWorld.java
new file mode 100644
index 0000000..d7d89e6
--- /dev/null
+++ b/intro/helloWorld/HelloWorld.java
@@ -0,0 +1,5 @@
+public class HelloWorld {
+  public static void main(String[] args) {
+    System.out.println("Helo World kek");
+  }
+}
\ No newline at end of file
diff --git a/intro/persone/Cittadinanza.java b/intro/persone/Cittadinanza.java
new file mode 100644
index 0000000..94448d8
--- /dev/null
+++ b/intro/persone/Cittadinanza.java
@@ -0,0 +1,4 @@
+package intro.persone;
+public enum Cittadinanza {
+    Italiana, EU, ExtraEU
+}
diff --git a/intro/persone/Persona.java b/intro/persone/Persona.java
new file mode 100644
index 0000000..3921252
--- /dev/null
+++ b/intro/persone/Persona.java
@@ -0,0 +1,23 @@
+package intro.persone;
+public class Persona {
+    private String nome;
+    private String cognome;
+    private intro.persone.Cittadinanza cittadinanza;
+
+    public Persona(String nome, String cognome, intro.persone.Cittadinanza cittadinanza) {
+        this.nome = nome;
+        this.cognome = cognome;
+        this.cittadinanza = cittadinanza;
+    }
+
+    public String getInfo() {
+        return "Nome: "+this.nome+"\nCognome: "+this.cognome+"\nCitt: "+this.cittadinanza;
+    }
+
+    public static void main(String[] args) {
+        Persona p = new Persona("dio","maiale", intro.persone.Cittadinanza.ExtraEU);
+        Persona p1 = new Persona("mario", "rossi", intro.persone.Cittadinanza.EU);
+        System.out.println(p.getInfo());
+        System.out.println(p1.getInfo());
+    }
+}