From ad823324bbf9b7ab3fb859ede915d613f9e86d38 Mon Sep 17 00:00:00 2001
From: ZhengJiayin <13230092115@163.com>
Date: Sun, 15 Mar 2026 16:44:39 +0800
Subject: [PATCH] =?UTF-8?q?feat:=E5=AE=8C=E6=88=90=E7=AC=AC=E4=BA=8C?=
 =?UTF-8?q?=E5=91=A8=E6=95=B0=E6=8D=AE=E6=B8=85=E6=B4=97=E4=BD=9C=E4=B8=9A?=
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---
 w2/DataCleaner.java | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 w2/DataCleaner.java

diff --git a/w2/DataCleaner.java b/w2/DataCleaner.java
new file mode 100644
index 0000000..fb9b76c
--- /dev/null
+++ b/w2/DataCleaner.java
@@ -0,0 +1,32 @@
+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) {
+            // 致命错误：遇到999，终止处理
+            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 >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++;
+        }
+
+        // 最终输出
+        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");
+        }
+    }
+}
\ No newline at end of file