From 15682151b49faab450b0c980073272cdb4252523 Mon Sep 17 00:00:00 2001
From: JiaoYan <3182449404@qq.com>
Date: Sun, 15 Mar 2026 18:59:25 +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'?=
MIME-Version: 1.0
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---
 W2/DataCleaner.java | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 W2/DataCleaner.java

diff --git a/W2/DataCleaner.java b/W2/DataCleaner.java
new file mode 100644
index 0000000..517d7a2
--- /dev/null
+++ b/W2/DataCleaner.java
@@ -0,0 +1,27 @@
+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) {
+            if (data == 999) {
+                System.out.println("致命错误: 传感器掉线, 终止处理");
+                break;
+            }
+            else if (data == 0 || data < 0 || (data > 100 && data != 999)) {
+                System.out.println("警告: 发现越界数据[" + data + "], 已跳过");
+                continue;
+            }
+            else if (data >= 1 && data <= 100) {
+                validSum += data;
+                validCount++;
+            }
+        }
+        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