java/W2/DataCleaner.java

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 data : sensorData) {
            if (data == 999) {
                System.out.println("致命错误: 传感器掉线, 终止处理");
                break;
            }
            else if (data == 0 || data < 0 || (data > 100 && data != 999)) {
                System.out.println("警告: 发现越界数据[" + data + "], 已跳过");
                continue;
            }
            else if (data >= 1 && data <= 100) {
                validSum += data;
                validCount++;
            }
        }
        if (validCount > 0) {
            double avg = (double) validSum / validCount;
            System.out.println("有效数据平均值: " + avg);
        } else {
            System.out.println("无有效数据");
        }
    }
}