回答編集履歴
1
Stream
test
CHANGED
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@@ -29,3 +29,27 @@
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29
29
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}
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30
30
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31
31
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```
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32
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+
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33
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BufferedReader#lines()を使えばStreamになってもっと簡単に書けます。
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34
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+
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35
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```java
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36
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+
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37
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public static void main(String[] args) {
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38
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39
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try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
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40
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41
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int num = Integer.parseInt(br.nextLine());
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42
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43
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String s = br.lines().limit(num).collect(Collectors.joining(",", "Hello ", "."));
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44
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45
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System.out.println(s);
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46
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47
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} catch (IOException e) {
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48
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49
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e.printStackTrace();
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50
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51
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}
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52
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+
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53
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}
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54
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+
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55
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```
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