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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
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;
}
}
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