回答編集履歴
1
せっかくなのでStream APIに一本化
answer
CHANGED
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@@ -6,9 +6,6 @@
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6
6
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import java.io.InputStreamReader;
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7
7
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import java.io.IOException;
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8
8
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9
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-
import java.util.List;
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10
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-
import java.util.stream.Collectors;
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11
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-
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12
9
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import java.nio.file.Files;
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13
10
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import java.nio.file.Path;
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14
11
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import java.nio.file.Paths;
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@@ -30,14 +27,18 @@
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30
27
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System.out.println("Input id you want to delete: ");
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31
28
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String delId = stdIn.readLine();
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32
29
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33
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-
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30
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+
fIn.lines()
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34
31
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.filter(line -> !line.startsWith(delId))
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32
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+
.forEach(line -> {
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33
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+
try {
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34
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+
fOut.write(line);
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35
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+
fOut.newLine();
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36
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+
}
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37
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+
catch(IOException e) {
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35
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-
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38
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+
throw new UncheckedIOException(e);
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39
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+
}
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40
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+
})
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36
41
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;
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37
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-
for(String line: lines) {
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38
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-
fOut.write(line);
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39
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-
fOut.newLine();
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40
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-
}
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41
42
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}
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42
43
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43
44
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Files.move(
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