add class Dog and test class

src/Dog.java

+
+public class Dog extends Pet {
+
+	public Dog() {
+		super();
+		// TODO Auto-generated constructor stub
+	}
+
+	public Dog(String name, String color) {
+		super(name, color);
+		// TODO Auto-generated constructor stub
+	}
+
+	@Override
+	public String voice() {
+		// TODO Auto-generated method stub
+		return "bruk bruk";
+	}
+
+}

src/Main.java

@@ -2,8 +2,8 @@
 public class Main {
 
 	public static void main(String[] args) {
-		Pet p = new Pet("jeemz","white");
-		System.out.print("Pet name is " + p.getName() + " color is " + p.getColor() +" sound is " + p.voice());
+		Pet p = new Dog("jeemz","white");
+		System.out.print("Dog name is " + p.getName() + " color is " + p.getColor() +" sound is " + p.voice());
 	
 
 	}