//Dog.java
public interface MyDog {
	public void sleep();
	public void eat();
	public void printAll();
}

//MyDogImpl.java
public class MyDogImpl implements MyDog {

	public void sleep() {
		System.out.println("mydog sleep");
	}

	public void eat() {
		System.out.println("mydog eat");
	}

	public void printAll() {
		sleep();
		eat();
	}

}

//NewDog.java
public interface NewDog {
	public void sleep();
	public void eat();
}

//NewDogImpl.java
public class NewDogImpl implements NewDog {

	public void sleep() {
		System.out.println("new dog sleep");
	}

	public void eat() {
		System.out.println("new dog eat");
	}

}

//NewDogAdapter.java
public class NewDogAdapter implements MyDog {

	NewDog newDog;

	public NewDogAdapter(NewDog newDog) {
		this.newDog = newDog;
	}

	public void sleep() {
		newDog.sleep();
	}

	public void eat() {
		newDog.eat();
	}

	public void printAll() {
		sleep();
		eat();
	}

}

//AdapterExample.java
public class AdapterExample {

	public static void main(String[] args) {
		//기존 코드
		MyDogImpl myDog = new MyDogImpl();
		myDog.eat();
		myDog.sleep();
		myDog.printAll();

		//추가된 new dock 사용
		NewDogImpl newDog = new NewDogImpl();
		newDog.eat();
		newDog.sleep();
		newDog.sleep();
		newDog.eat();

		//adapter 사용
		MyDog newDogAdapter = new NewDogAdapter(newDog);
		newDogAdapter.eat();
		newDogAdapter.sleep();
		newDogAdapter.printAll();

	}

}