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;
            }

            if (data <= 0 || data > 100) {
                System.out.printf("警告：发现越界数据 %d，已跳过%n", data);
                continue;
            }

            validSum += data;
            validCount += 1;
        }

        if (validCount == 0) {
            System.out.println("无有效数据");
        } else {
            float average = (float) validSum / (float) validCount;
            System.out.printf("数据平均值：%s%n", average);
        }
    }
}