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