P3.5

public class Battery {
    private double batteryCapacity;
    private double fullBatteryCapacity;

    public Battery(double capacity){
        batteryCapacity = capacity;
        fullBatteryCapacity = capacity;
    }
    public void drain(double amount){
        batteryCapacity = batteryCapacity - amount;
    }

    public void charge(){
        batteryCapacity = fullBatteryCapacity;
    }

    public double getRemainingCapacity(){
        return batteryCapacity;
    }


}