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Java 8 - How to Format LocalDateTime examples
5 points
In this post we cover basic usage of LocalDateTime class introduced in Java 8.
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import java.time.LocalDateTime;2
import java.time.format.DateTimeFormatter;3
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public class Example1 {5
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public static void main(String[] args) {7
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LocalDateTime localDateTime = LocalDateTime.now();9
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String pattern = "yyyy-MM-dd HH:mm:ss";11
DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);12
String format = localDateTime.format(formatter);13
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System.out.println("LocalDateTime.now: ");15
System.out.println(localDateTime);16
System.out.println("Formatted: ");17
System.out.println(format);18
}19
}Output:
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LocalDateTime.now:2
2019-10-13T12:19:26.6653
Formatted:4
2019-10-13 12:19:26xxxxxxxxxx1
import java.time.LocalDateTime;2
import java.time.format.DateTimeFormatter;3
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public class Example2 {5
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public static void main(String[] args) {7
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String dateTime = "2019-10-13 12:19:26";9
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String pattern = "yyyy-MM-dd HH:mm:ss";11
DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);12
LocalDateTime localDateTime = LocalDateTime.parse(dateTime, formatter);13
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System.out.println("LocalDateTime: ");15
System.out.println(localDateTime);16
}17
}Output:
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LocalDateTime:2
2019-10-13T12:19:26xxxxxxxxxx1
import java.time.LocalDateTime;2
import java.time.format.DateTimeFormatter;3
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public class Example3 {5
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public static void main(String[] args) {7
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String dateTime = "2019-10-13T12:19:26.541";9
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DateTimeFormatter formatter = DateTimeFormatter.ISO_DATE_TIME;11
LocalDateTime localDateTime = LocalDateTime.parse(dateTime, formatter);12
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System.out.println("LocalDateTime: ");14
System.out.println(localDateTime);15
}16
}Output:
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LocalDateTime:2
2019-10-13T12:19:26.541