From 53415ca36a33fdeb423ff8ff8d356c4fa1b3fb87 Mon Sep 17 00:00:00 2001
From: Wengxiyi <2179205527@qq.com>
Date: Mon, 27 Apr 2026 13:18:29 +0800
Subject: [PATCH] feat:W7

---
 W7/ScoreAverage.java    | 35 +++++++++++++++++++++++++++++++++++
 W7/ScoreCalculator.java | 11 +++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 W7/ScoreAverage.java
 create mode 100644 W7/ScoreCalculator.java

diff --git a/W7/ScoreAverage.java b/W7/ScoreAverage.java
new file mode 100644
index 0000000..cdbf0b0
--- /dev/null
+++ b/W7/ScoreAverage.java
@@ -0,0 +1,35 @@
+package W7;
+
+public class ScoreAverage {
+    public void main(String[] args){
+        String filePath = "scores.txt";
+        int sum = 0;
+        int count = 0;
+        try (BufferedReader br = new BufferedReader(new FileReader(filePath))){
+            String line;
+            while ((line = br.readLine()) != null){
+                line=line.trim();
+                if (line.isEmpty()){
+                    continue;
+                }
+                try{
+                    int score=Integer.parseInt(line);
+                    sum += score;
+                    count++;
+                }catch (NumberFormatException e){
+                    System.err.println("无效的数字：" + line);
+                }
+            }
+            if (count==0){
+                System.out.println("文件中没有有效成绩");
+            }else{
+                double average = (double) sum / count;
+                System.out.println("平均成绩为：" + average);
+            }
+        }catch (FileNotFoundException e){
+            System.err.println("文件不存在：" + filePath);
+        }catch (IOException e){
+            System.err.println("读取文件时出错：" + e.getMessage());
+        }
+    }
+}
diff --git a/W7/ScoreCalculator.java b/W7/ScoreCalculator.java
new file mode 100644
index 0000000..e14415c
--- /dev/null
+++ b/W7/ScoreCalculator.java
@@ -0,0 +1,11 @@
+package W7;
+
+public class ScoreCalculator {
+    BufferedReader br=new BufferedReader(new FileReader("scores.txt"));
+    String line;
+    while ((line=br.readLine())!=null){
+        sum +=Integer.parseInt(line);
+    }
+    br.close();
+}
+