public class AverageCalculator { public static void main(String[] args) { int[] array = {10, 20, 30, 40, 50}; double sum = 0; for (int num : array) { sum += num; } double average = sum / array.length; System.out.println("Average of the array is: " + average); } } 复...
Create a program that calculates the average of different ages:ExampleGet your own Java Server // An array storing different ages int ages[] = {20, 22, 18, 35, 48, 26, 87, 70}; float avg, sum = 0; // Get the length of the array int length = ages.length; // Loop through ...
for (int i = 1; i < array_nums.length; i++) { sum += array_nums[i]; if (array_nums[i] > max) max = array_nums[i]; else if (array_nums[i] < min) min = array_nums[i]; } // Calculate the average value of the array except for the largest and smallest values. float ...
AI代码解释 importjava.io.File;importjava.io.FileNotFoundException;importjava.util.Scanner;publicclassExceptionDemo{publicstaticvoidmain(String[]args){try{doublesum=0.0;intcount=0;Scannerscanner=newScanner(newFile("numbers.txt"));while(scanner.hasNextInt()){intnum=scanner.nextInt();sum+=num;count...
*/@Testpublicvoidtest1(){List<Actor>ageList=newArrayList<>();//筛选演员年龄小于40岁的for(Actor actor:actorList){if(actor.getAge()<40){ageList.add(actor);}}//按照升序进行排序List<String>lowActoresName=newArrayList<>();Collections.sort(ageList,newComparator<Actor>(){publicintcompare(Actor c1...
用途：用于对集合内数值元素求平均值。返回的是一个OptionalDouble对象，因为当集合为空时，平均值是没有意义的。示例：对于整数列表numbers，使用numbers.stream.mapToInt.average;可以求得列表中所有整数的平均值，即3.0。需要注意的是，结果是一个OptionalDouble对象，需要通过get方法或者ifPresent方法来...
int[] array={1,3,5,6,8};IntStream stream = Arrays.stream(array);3、使用Stream的静态方法：of()、iterate()、generate()Stream<Integer> stream = Stream.of(1, 2, 3, 4, 5, 6);Stream<Integer> stream2 = Stream.iterate(0, (x) -> x + 3).limit(4);stream2.forEach(System.out::...
publicclassStandardDeviationCalculator{publicdoublecalculate(List<Double>dataset){intn=dataset.size();doublemean=dataset.stream().mapToDouble(Double::doubleValue).average().orElse(0);doublesumOfSquaredDeviations=dataset.stream().mapToDouble(x->Math.pow(x-mean,2)).sum();returnMath.sqrt(sumOf...
int number = r.nextInt(100) + 1;//r.nextInt(100)指的是在1~99随机,所以要加一 arr[i] = number; sum += arr[i]; } int average = sum / 10; int count = 0; for ( int i = 0; i < arr.length; i++) { if (arr[i] < average) { ...
Constructs an empty instance with zero count, zero sum, Integer.MAX_VALUE min, Integer.MIN_VALUE max and zero average. IntSummaryStatistics(IntPtr, JniHandleOwnership) IntSummaryStatistics(Int64, Int32, Int32, Int64) Constructs a non-empty instance with the specified count, min, max, and su...