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public class DataCleaner {
public static void main(String[] args) {
int[] sensorData = {85, -5, 92, 0, 105, 999, 88, 76};
int validSum = 0; // 有效数据总和
int validCount = 0; // 有效数据个数
for (int x : sensorData) {
// 致命错误:传感器掉线,立即终止
if (x == 999) {
System.out.println("致命错误:传感器掉线,终止处理");
break;
}
// 无效数据:越界,跳过
if (x <= 0 || x > 100) {
System.out.println("警告:发现越界数据 [" + x + "],已跳过");
continue;
}
// 正常范围:计入统计
validSum += x;
validCount++;
}
// 最终输出
if (validCount > 0) {
// 用双精度除法保留小数,避免整数除法陷阱
double average = (double) validSum / validCount;
System.out.printf("有效数据平均值:%.2f%n", average);
} else {
System.out.println("无有效数据");
}
}
}