diff --git a/W2赵若岚202506050221/DataCleaner.java b/W2赵若岚202506050221/DataCleaner.java
new file mode 100644
index 0000000..b400ff2
--- /dev/null
+++ b/W2赵若岚202506050221/DataCleaner.java
@@ -0,0 +1,33 @@
+// 注意：文件开头无任何package语句！
+// 文件名：DataCleaner.java，放在C:\Users\ZRL\Desktop\SensorData\ 下
+public class DataCleaner {
+    public static void main(String[] args) {
+        int[] sensorData = {85, -5, 92, 0, 105, 999, 88, 76};
+        int validSum = 0;
+        int validCount = 0;
+
+        for (int data : sensorData) {
+            // 致命错误：传感器掉线
+            if (data == 999) {
+                System.out.println("致命错误：传感器掉线，终止处理");
+                break;
+            }
+            // 无效数据：越界值
+            if (data <= 0 || data > 100) {
+                System.out.println("警告：发现越界数据 " + data + "，已跳过");
+                continue;
+            }
+            // 有效数据统计
+            validSum += data;
+            validCount++;
+        }
+
+        // 输出结果
+        if (validCount > 0) {
+            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");
+        }
+    }
+}
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