From 7efe3c6a64beac8c28a9dcbb590315266b8042c0 Mon Sep 17 00:00:00 2001
From: linhe <bilibili283375@163.com>
Date: Thu, 19 Mar 2026 13:36:47 +0800
Subject: [PATCH] w2

---
 w2/DataCleaner.java | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 w2/DataCleaner.java

diff --git a/w2/DataCleaner.java b/w2/DataCleaner.java
new file mode 100644
index 0000000..73e5820
--- /dev/null
+++ b/w2/DataCleaner.java
@@ -0,0 +1,30 @@
+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;
+            }
+
+            if (data <= 0 || data > 100) {
+                System.out.printf("警告：发现越界数据 %d，已跳过%n", data);
+                continue;
+            }
+
+            validSum += data;
+            validCount += 1;
+        }
+
+        if (validCount == 0) {
+            System.out.println("无有效数据");
+        } else {
+            float average = (float) validSum / (float) validCount;
+            System.out.printf("数据平均值：%s%n", average);
+        }
+    }
+}
\ No newline at end of file