From 395ac3cbee8ed9eff7bbb019995fd338991580e7 Mon Sep 17 00:00:00 2001
From: ZhangJinxuan <2194936226@qq.com>
Date: Sun, 15 Mar 2026 10:49:40 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E6=88=90=E7=AC=AC=E4=BA=8C=E5=91=A8?=
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---
 w2/DataCleaner.java | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 w2/DataCleaner.java

diff --git a/w2/DataCleaner.java b/w2/DataCleaner.java
new file mode 100644
index 0000000..750845e
--- /dev/null
+++ b/w2/DataCleaner.java
@@ -0,0 +1,34 @@
+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
+
+        // 遍历数组
+        for (int data : sensorData) {
+            if (data == 999) {
+                System.out.println("致命错误：传感器掉线，终止处理");
+                break;
+            }
+
+            if (data >= 1 && data <= 100) {
+                // 有效数据
+                validSum += data;
+                validCount++;
+            } else {
+                // 无效数据（0、负数、大于100但不是999）
+                System.out.println("警告：发现越界数据 [" + data + "]，已跳过");
+                continue;
+            }
+        }
+
+        // 最终输出
+        if (validCount > 0) {
+            double average = (double) validSum / validCount; // 避免整数除法
+            System.out.println("有效数据的平均值：" + average);
+        } else {
+            System.out.println("无有效数据");
+        }
+    }
+}
\ No newline at end of file