wsoczynski

class Human(
  protected[Human] val legsObj: Legs,
  protected[Human] val heartObj: Heart,
  protected[Human] val brainObj: Brain) {

  def this(human: Human) = {
    this(human.legsObj, human.heartObj, human.brainObj)
  }

}

wsoczynski

public class Main {

	public static void main(String[] args) {
		Human human = new Human(new Legs(),new Heart(), new Brain());
		
		//let the human walk somewhere
		Walker walker = new Walker(human);
		walkFromHomeToWork(walker);

		//oops! there was an accident when walking		

wsoczynski

public class Human {

	protected Legs legs;
	protected Brain brain;
	protected Heart heart;
		
	public Human(Legs legs, Heart heart, Brain brain){
		this.legs = legs;
		this.heart = heart;
		this.brain = brain;

wsoczynski

public class Human {
   
    private Heart heart;
    private Brain brain;
    private Legs legs;

    public Distance walk(Place origin, Place destination) throws UnreachableDestinationException {
        //some code
    }
    

wsoczynski

public class Surgeon {
    private HashMap<String, MedicalProcedure> knownProcedures;
    
    Boolean operate(Organ[] organs, String procedureName){
        MedicalProcedure procedure = knownProcedures.get(procedureName);        
        Boolean result = procedure.execute(organs);
        
        return result;    
    }
}

wsoczynski

public class Surgeon {

    private HashMap<String, MedicalProcedure> knownProcedures;
    
    public Boolean operate(Human patient, String procedureName) throws FamilyDoesNotAllowException {

        Field[] fields = Human.class.getDeclaredFields();
        try {
            List<Organ> organs = new ArrayList<Organ>();
            for (Field field : fields) {

wsoczynski

public class Human {
    
    private Legs legs;
    private Heart heart;
    private Brain brain; 

    public Human(Heart heart, Brain brain, Legs legs){
        this.legs = legs;
        this.heart = heart;
        this.brain = brain;

wsoczynski

//Comparing two objects based on their behaviour/functions

Object.prototype.behavesAs = function(obj){  
    for(var name in obj){
        var property = obj[name]
        if(typeof(property) == "function" && name != "behavesAs"){
            if( !(this.hasOwnProperty(name) && typeof(this[name]) == 'function') ){
                return false
            }
        }  

wsoczynski

var fa = persons.FitnessAddict(
    "Bar",
    "Baz",
    new Date(1990,5,5),
    80,
    1.8)
    
fa.isWeightNormal() // true
fa.saySomething() // "bar"
fa.name() // "Bar Baz"    

wsoczynski

//persons module
persons = (function(){

    //private Person object constructor
    var Person = function(firstName, lastName, birthDate){    
        var foo = "bar";
    
        var name = function(){
            return firstName + " " + lastName;
        }