回答編集履歴
2
修正
test
CHANGED
@@ -1,4 +1,4 @@
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Java1.8以降導入されたLocalDateTimeを使うと簡単に書けます。
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Java1.8以降導入された[LocalDateTime](https://docs.oracle.com/javase/jp/11/docs/api/java.base/java/time/LocalDateTime.html)を使うと簡単に書けます。
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3
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```Java
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@@ -16,9 +16,9 @@
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var date1 = now.withMinute( 0);
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var date1 = now.withMinute( 0).withSecond(0);
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var date2 = now.withMinute(59);
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var date2 = now.withMinute(59).withSecond(0);
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@@ -38,15 +38,15 @@
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**実行結果** [Wandbox](https://wandbox.org/permlink/
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**実行結果** [Wandbox](https://wandbox.org/permlink/lVpZnftf2kuRFgh7)
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```
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2019-04-21 18:1
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45
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+
2019-04-21 18:14:47
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2019-04-21 18:00:0
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2019-04-21 18:00:00
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2019-04-21 18:59:0
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2019-04-21 18:59:00
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```
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1
修正
test
CHANGED
@@ -3,6 +3,8 @@
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```Java
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4
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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10
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@@ -14,17 +16,19 @@
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var date1 = now.withMinute( 0)
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19
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var date1 = now.withMinute( 0);
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var date2 = now.withMinute(59)
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var date2 = now.withMinute(59);
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var form = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
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System.out.println(
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System.out.println(now .format(form));
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System.out.println(date1.format(form));
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System.out.println(date2);
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System.out.println(date2.format(form));
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}
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@@ -34,15 +38,15 @@
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-
**実行結果** [Wandbox](https://wandbox.org/permlink/
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41
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+
**実行結果** [Wandbox](https://wandbox.org/permlink/PDKj5RWwkQaMujcY)
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42
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43
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```
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2019-04-21
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2019-04-21 18:12:06
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2019-04-21
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2019-04-21 18:00:06
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2019-04-21
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2019-04-21 18:59:06
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50
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```
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