public class AverageDemo {

    //求数组元素的平均值

public static void main(String[] args) {

//定义对象

AverageDemo demo = new AverageDemo();

//创建float类型的数组并初始化

float array[] = {78.5f,98.5f,65.5f,32.5f,75.5f};

//调用方法求平均值并打印输出

demo.avgArray(array);

}

public void avgArray(float array[]){

    float sum = 0;

    float avg = 0;

    int arrayLength = array.length;

    for(int i=0;i<arrayLength;i++){

        sum = sum+array[i];

    }

    System.out.println("数组的平均值为:"+sum/arrayLength);

}

}