diff --git a/README.md b/README.md
index 833cd8b..ba67de7 100644
--- a/README.md
+++ b/README.md
@@ -10,25 +10,29 @@
   6. All the instance methods for the class **Student**
 
 ```java
-class Student{
-    private String name;
-    private int rollNo;
-   
-    Student(String s, int r)
-    {
-   	    name = s;
-   	    rollNo = r;
-    }
-   
-    void methodForDisplay()
-    {
-        System.out.println(name+"'s Roll No: "+rollNo);
-    }
-
-    public static void main(String[] args) {
-        Student obj1=new Student("Rambo",21);
-        obj1.methodForDisplay();
-    }
+public class Student{
+  // Class name: Student
+
+  // Instance variables/fields
+  private String name; // String variable to store the name of the student
+  private int rollNo; // Integer variable to store the roll number of the student
+
+  // Constructor
+  Student(String s, int r) {
+    name = s; // Setting the name of the student
+    rollNo = r; // Setting the roll number of the student
+  }
+
+  // Method for displaying student information
+  void methodForDisplay() {
+    System.out.println(name + "'s Roll No: " + rollNo); // Displaying the student's name and roll number
+  }
+
+  public static void main(String[] args) {
+    // Creating a Student object
+    Student obj1 = new Student("Rambo", 21);
+    obj1.methodForDisplay(); // Calling the method to display student information
+  }
 }
 ```
 
@@ -36,6 +40,7 @@ class Student{
 
 * Read the W3Schools page on class methods: [W3Schools Java Class Methods](https://www.w3schools.com/java/java_class_methods.asp)
 * In your own words, write a few sentences below explaining the difference between static and public methods in relation to a class.
+* Static methods are like class-wide functions that can be used without making an object, while public methods are actions that objects can do. Public methods can only be used with objects.
 
 ## Part 3 - Dogs
 
diff --git a/src/Dog.java b/src/Dog.java
new file mode 100644
index 0000000..57e4df3
--- /dev/null
+++ b/src/Dog.java
@@ -0,0 +1,52 @@
+/**
+ * @author Alexei Iachkov
+ * @date 4-14-24
+ * @version 1.0
+ */
+public class Dog {
+    private String breed;
+    private String size;
+    private String color;
+    private int age;
+
+    public Dog(String breed, String size, String color, int age) {
+        this.breed = breed;
+        this.size = size;
+        this.color = color;
+        this.age = age;
+    }
+
+    public void eat(Food food) {
+        System.out.println("The " + breed + " is eating.");
+        food.reduceWeight();
+    }
+
+    public void run() {
+        System.out.println("The " + breed + " is running.");
+    }
+
+    public void sleep() {
+        System.out.println("The " + breed + " is sleeping.");
+    }
+
+    public void name() {
+        System.out.println("The " + breed + "'s name is Doober.");
+    }
+
+    public static void main(String[] args) {
+        Dog dog1 = new Dog("Bulldog", "large", "light gray", 5);
+        Dog dog2 = new Dog("Beagle", "medium", "orange", 7);
+        Dog dog3 = new Dog("German Shepherd", "large", "white and orange", 4);
+
+        dog1.eat(new Food()); // Passing a Food object to the eat method
+        dog2.run();
+        dog3.sleep();
+        dog3.name();
+    }
+}
+
+class Food {
+    public void reduceWeight() {
+        System.out.println("Food weight reduced.");
+    }
+}