oop-labs-collection/labs/6/RPI.java

public class RPI extends Appliance {
    private float power = 15.0f;
    private float postBootDecreaseIn = 10.0f;

    public RPI(boolean plugged) {
        super(plugged);
    }

    public void step(float seconds, float ventRPM) {
        postBootDecreaseIn -= seconds;

        if ((postBootDecreaseIn <= 0) && (power >= 5.0)) {
            power -= seconds;
        }

        if (power < 5.0) {
            power = 5.0f;
        }
    }

    public float getPowerConsumption() {
        if (super.getPowerState()) {
            return power;
        } else {
            return 0f;
        }
    }
}