質問編集履歴
2
タイトル
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@@ -1,1 +1,1 @@
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1
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-
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1
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+
Java 出力のやり方について
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body
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File without changes
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1
変更
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File without changes
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body
CHANGED
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@@ -22,34 +22,50 @@
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22
22
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```Java
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23
23
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import java.io.BufferedReader;
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24
24
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import java.io.BufferedWriter;
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25
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+
import java.io.File;
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26
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import java.io.FileReader;
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25
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-
import java.io.
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27
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import java.io.FileWriter;
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26
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-
import java.io.FileOutputStream;
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27
28
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import java.io.IOException;
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28
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-
import java.io.InputStreamReader;
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29
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-
import java.io.OutputStreamWriter;
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30
29
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31
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public class Java {
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32
31
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33
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-
public static void main(String[] args)
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32
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+
public static void main(String[] args) {
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34
33
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// TODO 自動生成されたメソッド・スタブ
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35
34
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36
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-
try (BufferedReader reader = new BufferedReader(
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37
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new InputStreamReader(
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38
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new FileInputStream("C:\1.csv")));
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39
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-
BufferedWriter writer = new BufferedWriter(
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40
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new OutputStreamWriter(
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41
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new FileOutputStream("c:\2.csv"))))
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42
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-
String line;
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43
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-
while ((line = reader.readLine()) != null) {
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44
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-
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45
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-
writer.write(line);
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46
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-
writer.newLine();
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47
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-
}
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48
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-
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35
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+
//例外が発生しているかどうか調べる
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49
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-
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36
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+
try {
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50
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-
}
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51
37
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38
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File read = new File(new File(System.getProperty("user.home"), "Desktop"), "jusho.csv");
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39
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+
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40
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FileReader fr = new FileReader(read);
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41
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+
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42
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BufferedReader br = new BufferedReader(fr);
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43
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+
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44
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File file = new File("c:\practice\shain17.csv");
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45
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+
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46
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FileWriter fw = new FileWriter(file);
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47
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+
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48
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+
BufferedWriter bw = new BufferedWriter(fw);
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49
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+
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50
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String data;
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51
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+
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52
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while ((data = br.readLine()) != null) {
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53
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+
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54
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+
bw.write(data);
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55
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+
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56
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bw.newLine();
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57
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+
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58
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}
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59
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br.close();
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60
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+
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61
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+
bw.close();
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62
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+
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63
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+
} catch (IOException e) {
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64
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+
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65
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+
e.printStackTrace();
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66
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+
}
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52
67
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}
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68
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+
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53
69
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}
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54
70
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```
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55
71
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