diff --git a/assignments/AssigmentS1/Dachshund.java b/assignments/AssigmentS1/Dachshund.java
new file mode 100644
index 0000000..d88669b
--- /dev/null
+++ b/assignments/AssigmentS1/Dachshund.java
@@ -0,0 +1,25 @@
+package assignments.AssigmentS1;
+
+class Dachshund extends Dog {
+    int length = 1000;
+
+    Dachshund() {
+        name = "German Sausage";
+        color = "Sausage Red";
+        breed = "Sausage Dog"; 
+        hungry = 0; // If 1 then hungry
+    }
+
+    public String SausageLength() {
+        return length + " cm";
+    }
+
+    void setLength(int length) {
+        this.length = length;
+    }
+
+    public String wag_tail() {
+        return "No wag, doing plank!!!";
+    }
+
+}
diff --git a/assignments/AssigmentS1/Dog.java b/assignments/AssigmentS1/Dog.java
new file mode 100644
index 0000000..08209d4
--- /dev/null
+++ b/assignments/AssigmentS1/Dog.java
@@ -0,0 +1,50 @@
+package assignments.AssigmentS1;
+
+class Dog {
+    String name;
+    String color; // colour ?
+    String breed; 
+    int hungry; // If 1 then hungry
+
+
+    Dog() {
+        name = "John Dog";
+        color = "Brown";
+        breed = "Street dog";
+        hungry = 1;
+
+    }
+
+public String bark() {
+    return "Woof! Woof!";
+}
+
+public String fetch() {
+    if (hungry != 1) { // In C if(!hungry) {}
+        return "Here's stick!";
+    } else {
+        return "Too hungry!";
+    }
+}
+
+public String wag_tail() {
+    return "Little wag!";
+}
+
+void setName(String name) {
+    this.name = name;
+}
+
+void setHungry(int hungry) {
+    this.hungry = hungry;
+}
+
+void setColor(String color) {
+    this.color = color;
+}
+
+void setBreed(String breed) {
+    this.breed = breed;
+}
+
+}
\ No newline at end of file
diff --git a/assignments/AssigmentS1/DogDemo.java b/assignments/AssigmentS1/DogDemo.java
new file mode 100644
index 0000000..8485fee
--- /dev/null
+++ b/assignments/AssigmentS1/DogDemo.java
@@ -0,0 +1,39 @@
+package assignments.AssigmentS1;
+
+class DogDemo {
+    public static void main(String[] args) {
+        Kangal dog1 = new Kangal();
+        Dog dog2 = new Kangal();
+        Dog dog3 = new Dog();
+        Dachshund dog4 = new Dachshund();
+    
+    System.out.println();
+    System.out.println(dog1.name);
+    dog1.setHungry(1);
+    System.out.println(dog1.wag_tail());
+    dog1.protectedAnimal("Chicken");
+    System.out.println(dog1.guard());
+
+    System.out.println();
+
+    dog2.setName("Kaplan Korur");
+    System.out.println(dog2.name + ", " + dog2.breed + ", " + dog2.color);
+    dog2.setHungry(0);
+    System.out.println(dog2.wag_tail());
+    // System.out.println(dog2.guard()); --> ERROR
+
+    System.out.println();
+
+    System.out.println(dog3.name);
+    dog3.setHungry(0);
+    System.out.println(dog3.wag_tail());
+    System.out.println(dog3.fetch());
+
+    System.out.println();
+
+    System.out.println(dog4.name +", " + dog4.color);
+    dog4.setHungry(1);
+    System.out.println(dog4.wag_tail()+ " Current length: " + dog4.SausageLength());
+    System.out.println(dog4.fetch());
+    }
+}
diff --git a/assignments/AssigmentS1/Kangal.java b/assignments/AssigmentS1/Kangal.java
new file mode 100644
index 0000000..6616535
--- /dev/null
+++ b/assignments/AssigmentS1/Kangal.java
@@ -0,0 +1,27 @@
+package assignments.AssigmentS1;
+
+class Kangal extends Dog {
+    String Protects;
+
+    Kangal() {
+    name = "Aslan Korur";
+    color = "Yellow";
+    breed = "Protect Dog"; 
+    hungry = 0; // If 1 then hungry
+    Protects = "Sheep";
+    }
+
+
+public String guard() {
+    return "ON DUTY! and Protects: " + Protects;
+}
+
+public String wag_tail() {
+    return "No wag!";
+}
+
+void protectedAnimal(String Protects) {
+    this.Protects = Protects;
+}
+
+}
\ No newline at end of file