diff --git a/W2/W2-颜敬庭-202506060220.java b/W2/W2-颜敬庭-202506060220.java
new file mode 100644
index 0000000..ab568a1
--- /dev/null
+++ b/W2/W2-颜敬庭-202506060220.java
@@ -0,0 +1,27 @@
+public class w2 {
+    public static void main(String[] args) {
+        int[] sensorData = new int[]{85, -592, 0, 105, 999, 88, 76};
+        int validSum = 0;
+        int validCount = 0;
+
+        for(int num : sensorData) {
+            if (num <= 100 && num >= 1) {
+                validSum += num;
+                ++validCount;
+            } else if (num > 0 && num >= 999) {
+                if (num == 999) {
+                    System.out.println("致命错误：传感器掉线，终止处理");
+                }
+            } else {
+                System.out.println("警告：发现越界数据[" + num + "],已跳过");
+            }
+        }
+
+        if (validCount < 0) {
+            System.out.println("无有效数据");
+        } else {
+            double qq = (double)validSum / (double)validCount;
+            System.out.println(qq);
+        }
+    }
+}
\ No newline at end of file
diff --git a/W2/java b/W2/java
new file mode 160000
index 0000000..a9b861a
--- /dev/null
+++ b/W2/java
@@ -0,0 +1 @@
+Subproject commit a9b861a27d38d63afdda0018c2daeaacdee7146f