commit e95d7ecd943c8f546b1aad83d30fc79bd8742204
Author: ZhangJinxuan <2194936226@qq.com>
Date:   Mon Apr 27 14:20:44 2026 +0800

    第一次提交：上传w7文件夹所有文件

diff --git a/ScoreAverge.java b/ScoreAverge.java
new file mode 100644
index 0000000..3716739
--- /dev/null
+++ b/ScoreAverge.java
@@ -0,0 +1,46 @@
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
+public class ScoreCalculator {
+    public static void main(String[] args) {
+        String fileName = "scores.txt";
+        int sum = 0;
+        int count = 0;
+
+        // try-with-resources 自动关闭流，无需手动写 br.close()
+        try (BufferedReader br = new BufferedReader(new FileReader(fileName))) {
+            String line;
+            while ((line = br.readLine()) != null) {
+                // 去除字符串前后空格，避免空行或空格影响解析
+                line = line.trim();
+                if (line.isEmpty()) {
+                    continue; // 跳过空行
+                }
+
+                try {
+                    // 解析成绩为整数
+                    int score = Integer.parseInt(line);
+                    sum += score;
+                    count++;
+                } catch (NumberFormatException e) {
+                    // 数字格式错误处理
+                    System.err.println("警告：无法解析成绩 '" + line + "'，跳过该数据");
+                }
+            }
+
+            // 计算平均分
+            if (count > 0) {
+                double average = (double) sum / count;
+                System.out.println("平均分：" + average);
+            } else {
+                System.out.println("文件中没有有效成绩数据");
+            }
+
+        } catch (IOException e) {
+            // 文件不存在、读取错误处理
+            System.err.println("读取文件时发生错误：" + e.getMessage());
+            e.printStackTrace();
+        }
+    }
+}
\ No newline at end of file