Java之IntSummaryStatistics的简单实例

[code]package com.evada.de;
import java.util.IntSummaryStatistics;
import java.util.stream.IntStream;

/**
 * Created by Ay on 2016/5/24.
 */
public class LambdaTest {

    public static void main(String[] args) {
        int[] intArray = {12,3,34,67,100,99};
        /** 第一种构造intStream **/
        IntStream intStream = IntStream.of(intArray);
        /** 第二种构造intStream **/
        //IntStream intStream2 = IntStream.of(12,3,34,67,100,99);
        /** 这个是重点，获得当前int数组的统计信息，包括 **/
        IntSummaryStatistics statistics = intStream.summaryStatistics();
        /** 计算出最大，最小，平均等等，是不是很好用，赶紧get起来 **/
        System.out.println("the max:" + statistics.getMax());
        System.out.println("the min:" + statistics.getMin());
        System.out.println("the average:" + statistics.getAverage());
        System.out.println("the sum:" + statistics.getSum());
        System.out.println("the count:" + statistics.getCount());

    }
}