diff --git a/ClassesAndObjects/src/main/java/com/example/Main.java b/ClassesAndObjects/src/main/java/com/example/Main.java
index 2e46405..e59445b 100644
--- a/ClassesAndObjects/src/main/java/com/example/Main.java
+++ b/ClassesAndObjects/src/main/java/com/example/Main.java
@@ -1,5 +1,6 @@
 package com.example;
 
+import com.practice.Vehicle;    //Import a java file from another java package
 import java.util.Scanner;
 
 public class Main {
@@ -84,6 +85,5 @@ public class Main {
 
        double p = Math.pow(2, 3);
        System.out.println(p);
-
     }
 }
\ No newline at end of file
diff --git a/ClassesAndObjects/src/main/java/com/example/Animal.java b/ClassesAndObjects/src/main/java/com/practice/Animal.java
similarity index 80%
rename from ClassesAndObjects/src/main/java/com/example/Animal.java
rename to ClassesAndObjects/src/main/java/com/practice/Animal.java
index 2b81daf..ddbe274 100644
--- a/ClassesAndObjects/src/main/java/com/example/Animal.java
+++ b/ClassesAndObjects/src/main/java/com/practice/Animal.java
@@ -1,4 +1,4 @@
-package com.example;
+package com.practice;
 
 public class Animal {
     void bark(){
diff --git a/ClassesAndObjects/src/main/java/com/example/Vehicle.java b/ClassesAndObjects/src/main/java/com/practice/Vehicle.java
similarity index 61%
rename from ClassesAndObjects/src/main/java/com/example/Vehicle.java
rename to ClassesAndObjects/src/main/java/com/practice/Vehicle.java
index adce4c6..9e6b348 100644
--- a/ClassesAndObjects/src/main/java/com/example/Vehicle.java
+++ b/ClassesAndObjects/src/main/java/com/practice/Vehicle.java
@@ -1,18 +1,19 @@
-package com.example;
+package com.practice;
 
 public class Vehicle {
-    int maxSpeed;
-    int wheels;
-    String color;
-    double fuelCapacity;  
-    Vehicle() {
+    static int counter;
+    public int maxSpeed;
+    public int wheels;
+    public String color;
+    public double fuelCapacity;  
+    public Vehicle() {
         this.setColor("Red");
     }
     Vehicle(String c) {
         this.setColor(c);
     }
 
-    void horn() {
+    public void horn() {
       System.out.println("Beep!");
     }
     
diff --git a/ClassesAndObjects/target/classes/com/example/Main.class b/ClassesAndObjects/target/classes/com/example/Main.class
index 3fd1f3b..39a9e10 100644
Binary files a/ClassesAndObjects/target/classes/com/example/Main.class and b/ClassesAndObjects/target/classes/com/example/Main.class differ
diff --git a/ClassesAndObjects/target/classes/com/example/Vehicle.class b/ClassesAndObjects/target/classes/com/example/Vehicle.class
deleted file mode 100644
index ef137b9..0000000
Binary files a/ClassesAndObjects/target/classes/com/example/Vehicle.class and /dev/null differ
diff --git a/ClassesAndObjects/target/classes/com/example/Animal.class b/ClassesAndObjects/target/classes/com/practice/Animal.class
similarity index 50%
rename from ClassesAndObjects/target/classes/com/example/Animal.class
rename to ClassesAndObjects/target/classes/com/practice/Animal.class
index 78abeab..acd6915 100644
Binary files a/ClassesAndObjects/target/classes/com/example/Animal.class and b/ClassesAndObjects/target/classes/com/practice/Animal.class differ
diff --git a/ClassesAndObjects/target/classes/com/practice/Vehicle.class b/ClassesAndObjects/target/classes/com/practice/Vehicle.class
new file mode 100644
index 0000000..6dd7144
Binary files /dev/null and b/ClassesAndObjects/target/classes/com/practice/Vehicle.class differ
diff --git a/more_on_classes/pom.xml b/more_on_classes/pom.xml
new file mode 100644
index 0000000..3523978
--- /dev/null
+++ b/more_on_classes/pom.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.oop</groupId>
+    <artifactId>more_on_classes</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+    </properties>
+
+</project>
\ No newline at end of file
diff --git a/more_on_classes/src/main/java/com/oop/Main.java b/more_on_classes/src/main/java/com/oop/Main.java
new file mode 100644
index 0000000..486ef65
--- /dev/null
+++ b/more_on_classes/src/main/java/com/oop/Main.java
@@ -0,0 +1,7 @@
+package com.oop;
+
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Hello world!");
+    }
+}
\ No newline at end of file
diff --git a/more_on_classes/target/classes/com/oop/Main.class b/more_on_classes/target/classes/com/oop/Main.class
new file mode 100644
index 0000000..652456a
Binary files /dev/null and b/more_on_classes/target/classes/com/oop/Main.class differ