Question

You have a program which has an interface for a remote

public interface Remote {
public void on();
public void off();
public void setChannel(int channel);
public int getChannel();
public void sleep(int numMinutes);
}

You've been working with a Spanish firm that wants to use your program, but they have a different interface

public interface controlRemoto {
public void enciende();
public void apague();
public void cambiaCanal(int channel);
public int qualCanal();
public void duerme(int numMinutes);
}

Create an adapter/wrapper around controlRemoto to make it look like Remote. For simplicity, the methods in both interfaces are in the correct order.

Answer 1

class RemoteAdapter implements controlRemoto {
        private Remote r;
        
        public RemoteAdapter(Remote r) {
                this.r = r;
        }
        
        public void enciende() {
                r.on();
        }
        public void apague() {
                r.off();
        }
        public void cambiaCanal(int channel) {
                r.setChannel(channel);
        }
        public int qualCanal() {
                return r.getChannel();
        }
        public void duerme(int numMinutes) {
                r.sleep(numMinutes);
        }
}

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