4.19 java programming

/////////////////////DogTestDrive/////////////////////
class DogTestDrive {
 public static void main(String[] args) {
  Dog one = new Dog();
     one.size = 70;
     Dog two = new Dog();
     two.size = 8;
     Dog three = new Dog();
     three.size = 35;
   
     one.bark(1);
     two.bark(2);
     three.bark(3);
 }
}
/////////////////////Dog /////////////////////
class Dog {
   int size;
   String name;
 
   void bark(int numOfBarks) {
    while (numOfBarks > 0) {
     if (size > 60) {
      System.out.println("Woof! Woof!");
      numOfBarks = numOfBarks - 1;
     } else if (size > 14) {
      System.out.println("Ruff! Ruff!");
      numOfBarks = numOfBarks - 1;
     } else {
         System.out.println("Yip! Yip!");
         numOfBarks = numOfBarks - 1;
     }
    }
   }
}