Controller.java

public class Controller {
    public static void main(String[] args){
        Mammal joe = new Mammal();
        Dog other = new Dog("Not Joe", 69);

        joe.speak();
        other.speak();

        joe.printInformation();
        other.printInformation();

        joe.<Integer, Integer>setAttribute(Mammal.AGE, 20);
        other.<Integer, Float>setAttribute(Mammal.WEIGHT, Float.valueOf("69.420"));

        joe.printInformation();
        other.printInformation();
    }
}

Dog.java

public class Dog extends Mammal {

    public Dog(){
        super();
        noise = "bark or something idk";
    }

    public Dog(String pName, int pAge){
        super(pName);
        age = pAge;
        noise = "bark or something idk";
    }

    public Dog(String pName, int pAge, float pWeight){
        super(pName, pAge);
        weight = pWeight;
        noise = "bark or something idk";
    }
}