Java编程计算一维数组的最大值、最小值、总和、平均值与标准差

ClassWork02.java
1 package lesson05;
2
3 /**
4 * 编程计算一维数组的最大值、最小值、总和、平均值与标准差
5 */
6
7
8 public class ClassWork02 {
9 public static void main(String[] args) {
10 int[] data = new int[]{1,2,3,4,5,6,7,8,9,88,66};
11 int max = data[0]; //假设第一个数为最大值
12 int min = data[0]; //假设第一个数为最小值
13 int sum = data[0];
14 for (int i = 1;i < data.length;i++){
15 if(data[i] > max){
16 max = data[i];
17 }
18 if(data[0] < min){
19 min = data[i];
20 }
21 sum += data[i];
22 }
23 System.out.println(“最大值为：” +max);
24 System.out.println(“最小值为：” +min);
25 System.out.println(“其和为：” +sum);
26 System.out.println(“平均值为：” +(double)sum/data.length);
27 }
28 }
29