From a647170cf0ac98dc36f3930c22faa0ef82ec555e Mon Sep 17 00:00:00 2001
From: XuJingwang <XuJingwang@innoschool.org>
Date: Thu, 23 Apr 2026 20:15:12 +0800
Subject: [PATCH] =?UTF-8?q?W7-=E5=BE=90=E6=99=AF=E6=97=BA-202414010701?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 W7/ScoreAvg.java | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 W7/ScoreAvg.java

diff --git a/W7/ScoreAvg.java b/W7/ScoreAvg.java
new file mode 100644
index 0000000..8e7f936
--- /dev/null
+++ b/W7/ScoreAvg.java
@@ -0,0 +1,29 @@
+public class ScoreAvg {
+    public static void main(String[] args) {
+        int sum = 0;
+        int count = 0;
+        double average = 0;
+        try (java.io.BufferedReader br = new java.io.BufferedReader(new java.io.FileReader("scores.txt"))) {
+            String line;
+            while ((line = br.readLine()) != null) {
+                try {
+                    int score = Integer.parseInt(line.trim());
+                    sum += score;
+                    count++;
+                } catch (NumberFormatException e) {
+                    System.out.println("格式错误跳过该行" + line);
+                }
+            }
+            if (count > 0) {
+                average = (double) sum / count;
+                System.out.println("总分：" + sum);
+                System.out.println("人数：" + count);
+                System.out.println("平均分：" + average);
+            } else {
+                System.out.println("文件内无有效数据");
+            }
+        } catch (java.io.IOException e) {
+            System.out.println("文件操作出错：" + e.getMessage());
+        }
+    }
+}
\ No newline at end of file