From 6fa3630a7fab7918792d09e2ebff1fff1f61426a Mon Sep 17 00:00:00 2001
From: Jiayuheng <jyhstc357000@163.com>
Date: Tue, 17 Mar 2026 16:44:33 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?=
 =?UTF-8?q?=20'w2'?=
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---
 w2/DataCleaner.java | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 w2/DataCleaner.java

diff --git a/w2/DataCleaner.java b/w2/DataCleaner.java
new file mode 100644
index 0000000..ac8cf0f
--- /dev/null
+++ b/w2/DataCleaner.java
@@ -0,0 +1,36 @@
+//TIP 要<b>运行</b>代码，请按 <shortcut actionId="Run"/> 或
+// 点击装订区域中的 <icon src="AllIcons.Actions.Execute"/> 图标。
+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
+
+        // 遍历并处理传感器数据
+        for (int x : sensorData) {
+            // 3. 致命错误：遇到999，终止处理
+            if (x == 999) {
+                System.out.println("致命错误：传感器掉线，终止处理");
+                break;
+            }
+            // 2. 无效数据：0/负数/大于100（非999），跳过并告警
+            if (x <= 0 || x > 100) {
+                System.out.println("警告：发现越界数据[" + x + "]，已跳过");
+                continue;
+            }
+            // 1. 正常范围：1~100，计入有效数据
+            validSum += x;
+            validCount++;
+        }
+
+        // 4. 最终输出：计算平均值或提示无有效数据
+        if (validCount > 0) {
+            // 避免整数除法陷阱，转换为double计算
+            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