From 1d0ce719c21768fde4fa57efdf0555acc5bf538a Mon Sep 17 00:00:00 2001
From: zhaoyinghui <17627019082@163.com>
Date: Tue, 10 Mar 2026 12:40:44 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BC=82=E5=B8=B8=E6=95=B0=E6=8D=AE=E6=8B=A6?=
 =?UTF-8?q?=E6=88=AA=E4=B8=8E=E6=B8=85=E7=90=86?=
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---
 W2/DataCleaner.java | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 W2/DataCleaner.java

diff --git a/W2/DataCleaner.java b/W2/DataCleaner.java
new file mode 100644
index 0000000..9e68147
--- /dev/null
+++ b/W2/DataCleaner.java
@@ -0,0 +1,35 @@
+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
+        // 遍历传感器数据
+        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：0/负数 或 大于100且不是999
+            if (data <= 0 || data > 100) {
+                System.out.println("警告：发现越界数据 " + data + "，已跳过");
+                continue;
+            }
+
+            // 正常范围 1-100，计入有效数据
+            validSum += data;
+            validCount++;
+        }
+
+        // 输出结果
+        if (validCount > 0) {
+            // 转double避免整数除法
+            double average = (double) validSum / validCount;
+            System.out.println("有效数据平均值：" + average);
+        } else {
+            System.out.println("无有效数据");
+        }
+    }
+}
\ No newline at end of file