Calculate the minimum and maximum values out of a list of doubles. - Java java.lang

Java examples for java.lang:Math Value

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Description

Calculate the minimum and maximum values out of a list of doubles.

Demo Code

/**/*from  ww  w.j  a va  2 s. c om*/
 * Copyright (C) 2009 - 2013 SC 4ViewSoft SRL
 *  
 * Licensed 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 com.java2s;

import java.util.List;

public class Main {
    /**
     * Calculate the minimum and maximum values out of a list of doubles.
     * 
     * @param values the input values
     * @return an array with the minimum and maximum values
     */
    public static double[] minmax(List<Double> values) {
        if (values.size() == 0) {
            return new double[2];
        }
        double min = values.get(0);
        double max = min;
        int length = values.size();
        for (int i = 1; i < length; i++) {
            double value = values.get(i);
            min = Math.min(min, value);
            max = Math.max(max, value);
        }
        return new double[] { min, max };
    }
}

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