Java 中的 DoubleSummaryStatistics getMax()方法,示例

原文:https://www . geesforgeks . org/double summary statistics-getmax-method-in-Java-with-examples/

Java 中 DoubleSummaryStatistics 类的 getMax() 方法用来获取这个 DoubleSummaryStatistics 中的最大记录数。

语法:

public double getMax()

参数:此方法不接受任何值作为参数。

返回值:该方法返回该 DoubleSummaryStatistics 中记录的最大值。

程序:

// Java program to demonstrate
// the above method

import java.util.*;

public class DoubleSummaryStatisticsDemo {
    public static void main(String[] args)
    {

        DoubleSummaryStatistics doubleSummaryStatistics
            = new DoubleSummaryStatistics();

        List<Double> list = new LinkedList<>();
        list.add(95.7);
        list.add(234.6767);
        list.add(243.5);
        list.add(50.0);
        list.add(45.6);
        list.add(45664.0);
        list.add(7007.777);
        list.add(5677.0);
        list.add(0.0);
        list.add(45664.7);

        Iterator<Double> iterator = list.listIterator();
        while (iterator.hasNext()) {

            // Add the doubles to the
            // DoubleSummaryStatistics object
            doubleSummaryStatistics
                .accept(iterator.next());
        }

        System.out.println(doubleSummaryStatistics
                               .toString());

        System.out.println("The maximum of values is "
                           + doubleSummaryStatistics
                                 .getMax());
    }
}

Output:

double summary statistics { count = 10,sum=104682.953700,min=0.000000,average=10468.295370,max=45664.700000} 最大值为 45664.7

参考:https://docs . Oracle . com/javase/10/docs/API/Java/util/double summary statistics . html # getMax()