public class Main {
public static void main(String[] args) {
// 用二维数组表示的学生成绩:
int[][] scores = {
{ 82, 90, 91 },
{ 68, 72, 64 },
{ 95, 91, 89 },
{ 67, 52, 60 },
{ 79, 81, 85 },
};
// TODO:
double average = 0;
for(int i=0;i<scores.length;i++)
for(double n:scores[i])
{
average=average+n;
}
average=average/(scores.length*scores[0].length);
System.out.println(average);
if (Math.abs(average - 77.733333) < 0.000001) { System.out.println("测试成功"); } else { System.out.println("测试失败"); } }}
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与天争锋20572
public class Main {
public static void main(String[] args) {
// 用二维数组表示的学生成绩:
int[][] scores = {
{ 82, 90, 91 },
{ 68, 72, 64 },
{ 95, 91, 89 },
{ 67, 52, 60 },
{ 79, 81, 85 },
};
// TODO:
double average = 0;
for(int i=0;i<scores.length;i++)
for(double n:scores[i])
{
average=average+n;
}
average=average/(scores.length*scores[0].length);
System.out.println(average);
if (Math.abs(average - 77.733333) < 0.000001) {
System.out.println("测试成功"); } else { System.out.println("测试失败"); } }}