Software Design Interview Question

AutomaticDripCoffeeMaker.java

    class AutomaticDripCoffeeMaker(inner: CoffeeMaker) : CoffeeMaker {
   
    
    public Heater heater;
    public Pump pump;
    
    public AutomaticDropCoffeeMaker() {
        super();
        
    }
    
    public void scheduleBrew() {
        // schedules a call to #brew()
    }
    
    fun brew() {
        if(
    }    
}

interface CoffeeMaker {
  fun brew()   
}

BaseCoffeeMaker.java

/**
 * Base class for a coffee maker.
 */
class AutomaticDripCoffeeMaker(inner: CoffeeMaker) : CoffeeMaker {
    
    public Heater heater;
    public Pump pump;
    
    public BaseCoffeeMaker() {
        heater = new ElectricHeater();
        pump = new ThermosiphonPump();
    }
    
    public Heater getHeater() {
        return heater;
    }
    
    public Pump getPump() {
        return pump;
    }
    
    override brew() {
        if (heater.isAtBrewTemp()) {
            inner.brew()
        }
    }
    
}

CoffeeShop.java

public class CoffeeShop {
    
    public static void main(String[] args) {
        
        String coffeeType = args[0];
              
        coffeeMaker.brew();
    }
    
    fun stringToCoffeeMaker() {
       BaseCoffeeMaker coffeMaker = null;
        switch (coffeeType)
        {
                "drip" -> AutomaticDripCoffeeMaker()
        } else if (coffeeType.equals("pourOver")) {
            coffeeMaker = new PorcelainPourOverCoffeeMaker();
        }   
    }
    
}

PorcelainPourOverCoffeeMaker.java

public class PorcelainPourOverCoffeeMaker(inner: CoffeeBrewer) : CoffeeBrewer by inner {
    
    public PorcelainPourOverCoffeeMaker() {
        super();
    }
    
}