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19 lines
566 B
19 lines
566 B
package w7;
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import java.io.BufferedReader;
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import java.io.FileReader;
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import java.io.IOException;
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public class AverageScoreBefore {
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public static void main(String[] args) throws IOException {
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BufferedReader br = new BufferedReader(new FileReader("scores.txt"));
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String line;
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int sum = 0, count = 0;
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while ((line = br.readLine()) != null) {
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sum += Integer.parseInt(line);
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count++;
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}
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br.close();
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System.out.println("平均分：" + (double) sum / count);
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}
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}
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