Update Sample.java

1. Object Oriented Programming/1. Inheritance/1. Introduction/Sample.java

@@ -1,5 +1,8 @@
 public class Sample{
     public static void main(String[] args) {
+        Dog dog = new Dog();
+        dog.foo();
+        dog.bar();
 
     }
 }
@@ -14,4 +17,4 @@ class Dog extends Animal{
     void bar(){
         System.out.println("I am a Dog");
     }
-}
+}

1. Object Oriented Programming/1. Inheritance/1. Introduction/encapsulation.java

@@ -1,3 +1,30 @@
+
+ class Test {
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+
+
+
+       Dog dog = new Dog();
+
+   dog.setBreed("German Sheperd");
+   dog.setAge(5);
+   dog.setColor("Brown");
+   dog.setSize(2);
+
+
+        System.out.println(dog.getBreed());
+        System.out.println(dog.getAge()+" years old ");
+        System.out.println(dog.getColor()+" color");
+        System.out.println(dog.getSize() +" feet height");
+    }
+
+}
+
+
 public class Dog {
 
    //using private access modifiers
@@ -32,6 +59,8 @@ public int getAge() { //getter to get age
     public void setAge(int age) { //setter to set age
         Age = age;
     }
+
+
 
     public int getSize() { //getter to get size
         return Size;
@@ -40,3 +69,4 @@ public int getSize() { //getter to get size
     public void setSize(int size) { //setter to set size
         Size = size;
     }
+}

1. Object Oriented Programming/2.abstraction/introduction/sample.java

@@ -2,14 +2,19 @@ public class sample {
     public static void main(String[] args) {
         Dog dog=new Dog();//create  a  dog object
         dog.animalSound();
-
+        dog.animalFeature();
 
     }
 }
 //abstract class
 abstract class Animal{
     // Abstract method (does not have a body)
     public abstract void animalSound();
+
+     public void animalFeature(){
+      System.out.println("Has 4 legs/limbs");
+
+    }
 }
 
 // Subclass (inherit from Animal)