編寫一個(gè)程序，運(yùn)用數(shù)組，計(jì)算56,78,98,102,114,97,35,21,541的平均值。

package suannaidezuoye1;

//編寫一個(gè)程序，運(yùn)用數(shù)組，計(jì)算56,78,98,102,114,97,35,21,541的平均值。

public class pingjunzhi {

public static void main(String[] args) {

// TODO Auto-generated method stub

double[] numArray = { 56,78,98,102,114,97,35,21,541 };

double sum = 0.0;

for (double num: numArray) {

sum += num;

}

double average = sum / numArray.length;

System.out.format("平均值是: %.2f", average);

}

}