ISP Solution Part 1

I_InterfaceSegregationSolution.java

public class I_InterfaceSegregationSolution {

    public interface Car {
        void openDoor();
    }

    public interface ElectricCar {
        void charge();
    }

    public static class Fiesta implements Car {
        @Override
        public void openDoor() {
            //abrir a porta
        }
    }

    public static class FocusElectric implements Car, ElectricCar {
        @Override
        public void charge() {
            //recarregar
        }

        @Override
        public void openDoor() {
            //abrir porta
        }
    }
}