From 9c9525687a04d37e7a9a62f47030187e3e7f878a Mon Sep 17 00:00:00 2001
From: hexinrong <hexinrong08@163.com>
Date: Sun, 15 Mar 2026 12:34:53 +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
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 w2/DataCleaner.java | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 w2/DataCleaner.java

diff --git a/w2/DataCleaner.java b/w2/DataCleaner.java
new file mode 100644
index 0000000..9b09021
--- /dev/null
+++ b/w2/DataCleaner.java
@@ -0,0 +1,37 @@
+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
+
+        // 流程控制代码
+        //遍历 for-each循环
+        for (int value : sensorData) {
+            // 致命错误：传感器掉线
+            if (value == 999) {
+                System.out.println("致命错误：传感器掉线，终止处理");
+                break;//立马终止循环
+            }
+
+            // 无效数据：0 或负数，或者大于100（且不是999，但999已在上面处理）
+            if (value <= 0 || value > 100) {
+                System.out.println("警告：发现越界数据 [" + value + "]，已跳过");
+                continue;
+            }
+
+            // 正常范围：1 到 100 之间（包含边界）
+            validSum += value;
+            validCount++;
+        }
+
+        // 最终输出
+        if (validCount > 0) {
+            // 使用double避免整数除法，保留小数部分
+            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