LIPNUS

public interface Command { public void excute(); } public class LightOnCommand implements Command { Light light; // Light: 리시버 public LightOnCommand(Light light) { this.light = light; } public void excute() { light.on(); } } public class SimpleRemoteControl { Command slot; public SimpleRemoteControl() {} public void setCommand(Command command) { this.slot = command; } public void buttonWasPresse..

package Visitor.interfaceVisitor; interface ICarElementVisitor { void visit(Wheel wheel); void visit(Engine engine); void visit(Body body); void visit(Car car); void visit(Trunk trunk); } interface ICarElement { abstract public void accept(ICarElementVisitor visitor); } public class VisitorDemo { public static void main(String[] args) { ICarElement car = new Car(); // car.accept(new CarElementPr..

public abstract class MenuComponent { public void add(MenuComponent menuComponent) { throw new UnsupportedOperationException(); } public void remove(MenuComponent menuComponent) { throw new UnsupportedOperationException(); } public MenuComponent getChild(int i) { throw new UnsupportedOperationException(); } public String getName(){ throw new UnsupportedOperationException(); } public String getDe..

public class Main { public static void main(String[] args) { Beverage espresso = new Espresso(); espresso = new Milk(espresso); espresso = new Moka(espresso); System.out.println(espresso.cost()); System.out.println(espresso.getDescription()); } } public abstract class Beverage { protected String description = "empty"; public String getDescription() { return description; } public abstract int cos..

public class Main { public static void main(String[] args) { Beberage coffee = new Coffee(); coffee.prepareRecipe(); } } public abstract class Beberage { final void prepareRecipe() { boilWater(); brew(); pourInCup(); addCondiments(); } public void boilWater() { System.out.println("물끓임"); } abstract void brew(); public void pourInCup() { System.out.println("컵에따름"); } abstract void addCondiments()..

// Director public class AerospaceEngineer { private AirplaneBuilder airplaneBuilder; public void setAirplaneBuilder(AirplaneBuilder ab) { AirplaneBuilder = ab; } public Airplane getAirplane() { return airplaneBuilder.getAirplane(); } public void constructionAirplne() { airplaneBuilder.createNewAirplne(); airplaneBuilder.buildWings(); airplaneBuilder.buildPowerplant(); airplaneBuilder.buildAvion..

팩토리매소드 예제에서 추가된 코드임 public interface PizzaIngredientFactory { public Dough createDough(); public Sauce createSauce(); public Cheese createCheese(); public Veggies[] createVeggies(); public Pepperoni createPepperoni(); public Clams createClams(); } public NYPizzaIngredientFactory implements PizzaIngredientFactory { @Override public Dough createDough() { return new ThinCrustdough(); } @Override pu..

public abstract class PizzaStre{ public Pizza orderPizza(String type) { Pizza pizza = createPizza(type); pizza.prepare(); pizza.bake(); pizza.cut(); pizza.box(); return pizza; } abstract Pizza createPizza(String type); // 인스턴스 만드는건 팩토리 역할을 하는 매소드에서 처리 } public class NyPizzaStore extends PizzaStre { @Overide public Pizza createPizza(String type) { Pizza pizza = null; if(type.equal("cheese")) pizz..