计算大于平均年龄的员工人数

package com.itheima.demo01;

/有以下数组int arr={31,42,23,64,25,36}存储了6名员工的年龄；
定义方法getCount(),
计算大于平均年龄的员工人数/
public class Bug08 {
public static void main(String[] args) {
int[] arr = {31, 42, 23, 64, 25, 36};
int count = getCount(arr);
System.out.println(count);
}

public static int getCount(int[] arr) {
    double sum = 0;
    for (int i = 0; i < arr.length; i++) {
        sum += arr[i];
    }
    double avg = sum*1.0 / arr.length;
    int count = 0;
    for (int i = 0; i < arr.length; i++) {

        if (arr[i] > avg) {
            count++;
        }
    }
    return count;
}

}

标签：count,arr,int,平均年龄,员工,public,length,大于,sum
来源： https://www.cnblogs.com/lvtiantian/p/14724697.html