package calculator; import java.util.logging.Level; import java.util.logging.Logger; /** * An implementation of the Multiply service. */ public class MultiplyServiceImpl implements MultiplyService { public double multiply(double n1, double n2) { Logger logger = Logger.getLogger("calculator"); logger.log(Level.FINEST, "Multiplying " + n1 + " with " + n2); return n1 * n2; } }