project 3.5

package ch3;

public class batterytest {
	public static void main(String[] args) {
		batteryclass AA = new batteryclass(2000);
		AA.drain(500);
		System.out.println("the charge is " + AA.getRemainingCapacity() + " mAh");
		AA.charge();
		System.out.println("the charge is " + AA.getRemainingCapacity() + " mAh");

	}
}
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package ch3;

public class batteryclass {

		private double charge;
		private double mainCharge;
		public batteryclass(double initialCharge){
	        charge = initialCharge;
	        mainCharge = initialCharge;}

	        public void drain(double ammount){
	    		charge = charge - ammount;
	    		//return charge;
	        }
	        public void charge(){
	        charge = mainCharge;

	        }
	        public double getRemainingCapacity(){
	        	return charge;
	        }

}