zoukankan      html  css  js  c++  java
  • list 求最大值,最小值,平均值等

        public static void main(String[] args) {
            List list = new ArrayList();
            list.add(1);
            list.add(9);
            list.add(3);
            list.add(5);
            list.add(4);
            System.out.println(list);
            System.out.println("最大值: " + Collections.max(list));
            System.out.println("最小值: " + Collections.min(list));
    
    
            List<Integer> lists = list;
            DoubleSummaryStatistics statistics = lists.stream().mapToDouble(Number::doubleValue).summaryStatistics();
    
            System.out.println("最大值:" + statistics.getMax());
            System.out.println("最小值:" + statistics.getMin());
            System.out.println("平均值:" + statistics.getAverage());
            System.out.println("平均值四舍五入:" + Math.round(statistics.getAverage()));
            System.out.println("求和:" + statistics.getSum());
            System.out.println("计数:" + statistics.getCount());
        }
  • 相关阅读:
    字体
    abstract关键词
    final关键词
    多态
    接口
    java面向对象
    java运算符
    JDK安装
    循环
    TextView控件
  • 原文地址:https://www.cnblogs.com/418836844qqcom/p/11358055.html
Copyright © 2011-2022 走看看