package calculator; | |
import java.util.logging.Level; | |
import java.util.logging.Logger; | |
/** | |
* An implementation of the subtract service. | |
*/ | |
public class SubtractServiceImpl implements SubtractService { | |
public double subtract(double n1, double n2) { | |
Logger logger = Logger.getLogger("calculator"); | |
logger.log(Level.FINEST, "Subtracting " + n1 + " from " + n2); | |
return n1 - n2; | |
} | |
} |