In this article, we will learn how to convert String to an OffsetDateTime using different date/time formats in Java 1.8 version
Q) What is the need of converting String to an OffsetDateTime ?
- Generally, whenever we receive any data from web application then it is passed in the form of String
- But for further processing we need to convert String to an OffsetDateTime
- This article explains about String to OffsetDateTime conversion in different formats
Read also,
- String to Date conversion in different formats
- Date to String conversion is also required for reverse process
- For OffsetDateTime to String conversion, read Java 8 – How to convert OffsetDateTime to String ?
1. String to OffsetDateTime conversion:
We will use below formats to convert String to OffsetDateTime,
- yyyy-MM-ddTHH:mm:ss.nnn+/-HH:mm (default)
- dd-MM-yyyy HH:mm:ss.nnn VV
- dd-MM-yyyy hh:mm:ss.nnn a VV
- dd.MM.yyyy HH:mm:ss VV
- dd-MMM-yyyy hh:mm:ss a VV
- E dd/MMMM/yyyy HH:mm VV
- EEEE MMMM dd, yyyy hh:mm a VV
Note: for creating above formats we need DateTimeFormatter
2. Convert String to OffsetDateTime examples:
2.1 Convert String in default (yyyy-MM-ddTHH:mm:ss.nnn+/-HH:mm) format to OffsetDateTime :
- This example converts String in default ISO_OFFSET_DATE_TIME format to an OffsetDateTime
ConvertStringToOffsetDateTime1.java
package in.bench.resources.java8.offsetdatetime.examples;
import java.time.OffsetDateTime;
public class ConvertStringToOffsetDateTime1 {
public static void main(String[] args) {
// 1. string
String strOffsetDateTime = "2017-05-29T19:07:34.190912345+05:30";
// 2. parse date/time in String to default OffsetDateTime format
OffsetDateTime offsetDateTime = OffsetDateTime.parse(strOffsetDateTime);
// 3. print to console
System.out.println("Original String :- \n" + strOffsetDateTime);
System.out.print("\nString in default "
+ "(yyyy-MM-ddTHH:mm:ss.nnn+/-HH:mm) format to OffsetDateTime :- \n"
+ offsetDateTime);
}
}
Output:
Original String :-
2017-05-29T19:07:34.190912345+05:30
String in default (yyyy-MM-ddTHH:mm:ss.nnn+/-HH:mm) format to OffsetDateTime :-
2017-05-29T19:07:34.190912345+05:30
2.2 Convert String in (dd-MM-yyyy HH:mm:ss.nnn VV) format to OffsetDateTime :
- This example converts String in (dd-MM-yyyy HH:mm:ss.nnn VV) format to an OffsetDateTime
ConvertStringToOffsetDateTime2.java
package in.bench.resources.java8.offsetdatetime.examples;
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
public class ConvertStringToOffsetDateTime2 {
public static void main(String[] args) {
// 1. string
String strOffsetDateTime = "29-06-2017 19:07:34.190912345 +04:00";
// 2. DateTimeFormatter
DateTimeFormatter dateTimeFormatter = DateTimeFormatter
.ofPattern("dd-MM-yyyy HH:mm:ss.nnn VV");
// 2. parse date/time in String to default OffsetDateTime format
OffsetDateTime offsetDateTime = OffsetDateTime
.parse(strOffsetDateTime, dateTimeFormatter);
// 3. print to console
System.out.println("Original String :- \n" + strOffsetDateTime);
System.out.print("\nString in "
+ "(dd-MM-yyyy HH:mm:ss.nnn VV) format to OffsetDateTime :- \n"
+ offsetDateTime);
}
}
Output:
Original String :-
29-06-2017 19:07:34.190912345 +04:00
String in (dd-MM-yyyy HH:mm:ss.nnn VV) format to OffsetDateTime :-
2017-06-29T19:07:34.190912345+04:00
2.3 Convert String in (dd-MM-yyyy hh:mm:ss.nnn a VV) format to OffsetDateTime :
- This example converts String in (dd-MM-yyyy hh:mm:ss.nnn a VV) format to an OffsetDateTime
ConvertStringToOffsetDateTime3.java
package in.bench.resources.java8.offsetdatetime.examples;
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
public class ConvertStringToOffsetDateTime3 {
public static void main(String[] args) {
// 1. string
String strOffsetDateTime = "29-06-2017 07:07:34.190912345 pm +04:30";
// 2. DateTimeFormatter
DateTimeFormatter dateTimeFormatter = DateTimeFormatter
.ofPattern("dd-MM-yyyy hh:mm:ss.nnn a VV");
// 2. parse date/time in String to default OffsetDateTime format
OffsetDateTime offsetDateTime = OffsetDateTime
.parse(strOffsetDateTime, dateTimeFormatter);
// 3. print to console
System.out.println("Original String :- \n" + strOffsetDateTime);
System.out.print("\nString in "
+ "(dd-MM-yyyy hh:mm:ss.nnn a VV) format to OffsetDateTime :- \n"
+ offsetDateTime);
}
}
Output:
Original String :-
29-06-2017 07:07:34.190912345 pm +04:30
String in (dd-MM-yyyy hh:mm:ss.nnn a VV) format to OffsetDateTime :-
2017-06-29T19:07:34.190912345+04:30
2.4 Convert String in (dd.MM.yyyy HH:mm:ss VV) format to OffsetDateTime :
- This example converts String in (dd.MM.yyyy HH:mm:ss VV) format to an OffsetDateTime
ConvertStringToOffsetDateTime4.java
package in.bench.resources.java8.offsetdatetime.examples;
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
public class ConvertStringToOffsetDateTime4 {
public static void main(String[] args) {
// 1. string
String strOffsetDateTime = "29.06.2017 19:07:34 -09:30";
// 2. DateTimeFormatter
DateTimeFormatter dateTimeFormatter = DateTimeFormatter
.ofPattern("dd.MM.yyyy HH:mm:ss VV");
// 2. parse date/time in String to default OffsetDateTime format
OffsetDateTime offsetDateTime = OffsetDateTime
.parse(strOffsetDateTime, dateTimeFormatter);
// 3. print to console
System.out.println("Original String :- \n" + strOffsetDateTime);
System.out.print("\nString in "
+ "(dd.MM.yyyy HH:mm:ss VV) format to OffsetDateTime :- \n"
+ offsetDateTime);
}
}
Output:
Original String :-
29.06.2017 19:07:34 -09:30
String in (dd.MM.yyyy HH:mm:ss VV) format to OffsetDateTime :-
2017-06-29T19:07:34-09:30
2.5 Convert String in (dd-MMM-yyyy hh:mm:ss a VV) format to OffsetDateTime :
- This example converts String in (dd-MMM-yyyy hh:mm:ss a VV) format to an OffsetDateTime
ConvertStringToOffsetDateTime5.java
package in.bench.resources.java8.offsetdatetime.examples;
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
public class ConvertStringToOffsetDateTime5 {
public static void main(String[] args) {
// 1. string
String strOffsetDateTime = "29-Jun-2017 09:07:34 pm -09:00";
// 2. DateTimeFormatter
DateTimeFormatter dateTimeFormatter = DateTimeFormatter
.ofPattern("dd-MMM-yyyy hh:mm:ss a VV");
// 2. parse date/time in String to default OffsetDateTime format
OffsetDateTime offsetDateTime = OffsetDateTime
.parse(strOffsetDateTime, dateTimeFormatter);
// 3. print to console
System.out.println("Original String :- \n" + strOffsetDateTime);
System.out.print("\nString in "
+ "(dd-MMM-yyyy hh:mm:ss a VV) format to OffsetDateTime :- \n"
+ offsetDateTime);
}
}
Output:
Original String :-
29-Jun-2017 09:07:34 pm -09:00
String in (dd-MMM-yyyy hh:mm:ss a VV) format to OffsetDateTime :-
2017-06-29T21:07:34-09:00
2.6 Convert String in (E dd/MMMM/yyyy HH:mm VV) format to OffsetDateTime :
- This example converts String in (E dd/MMMM/yyyy HH:mm VV) format to an OffsetDateTime
ConvertStringToOffsetDateTime6.java
package in.bench.resources.java8.offsetdatetime.examples;
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
public class ConvertStringToOffsetDateTime6 {
public static void main(String[] args) {
// 1. string
String strOffsetDateTime = "Fri 28/June/2019 15:07 +02:00";
// 2. DateTimeFormatter
DateTimeFormatter dateTimeFormatter = DateTimeFormatter
.ofPattern("E dd/MMMM/yyyy HH:mm VV");
// 2. parse date/time in String to default OffsetDateTime format
OffsetDateTime offsetDateTime = OffsetDateTime
.parse(strOffsetDateTime, dateTimeFormatter);
// 3. print to console
System.out.println("Original String :- \n" + strOffsetDateTime);
System.out.print("\nString in "
+ "(E dd/MMMM/yyyy HH:mm VV) format to OffsetDateTime :- \n"
+ offsetDateTime);
}
}
Output:
Original String :-
Fri 28/June/2019 15:07 +02:00
String in (E dd/MMMM/yyyy HH:mm VV) format to OffsetDateTime :-
2019-06-28T15:07+02:00
2.7 Convert String in (EEEE MMMM dd, yyyy hh:mm a VV) format to OffsetDateTime :
- This example converts String in (EEEE MMMM dd, yyyy hh:mm a VV) format to an OffsetDateTime
ConvertStringToOffsetDateTime7.java
package in.bench.resources.java8.offsetdatetime.examples;
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
public class ConvertStringToOffsetDateTime7 {
public static void main(String[] args) {
// 1. string
String strOffsetDateTime = "Sunday June 23, 2019 11:07 pm +02:30";
// 2. DateTimeFormatter
DateTimeFormatter dateTimeFormatter = DateTimeFormatter
.ofPattern("EEEE MMMM dd, yyyy hh:mm a VV");
// 2. parse date/time in String to default OffsetDateTime format
OffsetDateTime offsetDateTime = OffsetDateTime
.parse(strOffsetDateTime, dateTimeFormatter);
// 3. print to console
System.out.println("Original String :- \n" + strOffsetDateTime);
System.out.print("\nString in "
+ "(EEEE MMMM dd, yyyy hh:mm a VV) format to OffsetDateTime :- \n"
+ offsetDateTime);
}
}
Output:
Original String :-
Sunday June 23, 2019 11:07 pm +02:30
String in (EEEE MMMM dd, yyyy hh:mm a VV) format to OffsetDateTime :-
2019-06-23T23:07+02:30
3. DateTimeParseException:
- If the specified String doesn’t match with the specified pattern/format then DateTimeParseException is thrown
- Use below date/time notation,
- a – for am/pm marker
- z – regional time-zone like IST or PST or CET
- XXX – for offset from GMT/UTC
- ss – seconds
- mm – minutes
- hh – 12-hour format
- HH – 24 hour format
- y/yyyy– year with all 4 digits
- yy – year with last 2 digits
- MM – month in numbers
- MMM – month in words in short form
- MMMM – month in words in full form
- dd – date
- E/EEE – day of week in short form
- EEEE – day of week in full form
StringToZonedDateTimeConversion.java
package in.bench.resources.java8.offsetdatetime.examples;
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
public class StringToOffsetDateTimeConversion {
public static void main(String[] args) {
// 1. string
String strOffsetDateTime = "29-06-2017 19:07:34.190912345 +05:30";
// 2. DateTimeFormatter
DateTimeFormatter dateTimeFormatter = DateTimeFormatter
.ofPattern("dd-MMM-yyyy HH:mm:ss.nnn VV");
// 2. parse date/time in String to default OffsetDateTime format
OffsetDateTime offsetDateTime = OffsetDateTime
.parse(strOffsetDateTime, dateTimeFormatter);
// 3. print to console
System.out.println("Original String :- \n" + strOffsetDateTime);
System.out.print("\nString in "
+ "(dd-MM-yyyy HH:mm:ss.nnn VV) format to OffsetDateTime :- \n"
+ offsetDateTime);
}
}
Output:
Exception in thread "main" java.time.format.DateTimeParseException:
Text '29-06-2017 19:07:34.190912345 +05:30' could not be parsed at index 3
at java.base/java.time.format.DateTimeFormatter.parseResolved0(DateTimeFormatter.java:2052)
at java.base/java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1954)
at java.base/java.time.OffsetDateTime.parse(OffsetDateTime.java:404)
at in.bench.resources.java8.offsetdatetime.examples.StringToOffsetDateTimeConversiont
.main(StringToOffsetDateTimeConversion.java:21)
Related Articles:
- Java 8 – OffsetDateTime with method details and examples
- Java 8 – How to get Date, Time and Offset fields from OffsetDateTime ?
- Java 8 – How to form OffsetDateTime passing Date, Time and Offset fields ?
- Java 8 – How to form OffsetDateTime passing LocalDate, LocalTime and ZoneOffset ?
- Java 8 – How to form OffsetDateTime passing LocalDateTime and ZoneOffset ?
- Java 8 – How to form OffsetDateTime passing Instant and ZoneId ?
- Java 8 – How to parse OffsetDateTime in String form ?
- Java 8 – How to convert String to OffsetDateTime ?
- Java 8 – How to convert ZonedDateTime to String ?
- Java 8 – How to convert OffsetDateTime in different formats ?
- Java 8 – How to convert OffsetDateTime in different Format Style ?
- Java 8 – How to convert OffsetDateTime to LocalDateTime ?
- Java 8 – How to convert OffsetDateTime to ZonedDateTime ?
- Java 8 – How to convert OffsetDateTime to an Instant ?
- Java 8 – How to extract LocalDate and LocalTime and LocalDateTime from OffsetDateTime ?
- Java 8 – How to extract OffsetTime from OffsetDateTime ?
- Java 8 – How to convert OffsetDateTime to number of Seconds ?
- Java 8 – How to convert OffsetDateTime to java.util.Date and vice-versa ?
- Java 8 – How to convert OffsetDateTime to java.sql.Timestamp and vice-versa ?
- Java 8 – How to convert OffsetDateTime to Calendar and vice-versa ?
- Java 8 – How to convert OffsetDateTime to GregorianCalendar and vice-versa ?
- Java 8 – How to convert OffsetDateTime to XMLGregorianCalendar and vice-versa ?
- Java 8 – How to convert java.util.Date to an OffsetDateTime in different ways ?
- Java 8 – How to add Date and Time fields to OffsetDateTime ?
- Java 8 – How to subtract Date and Time fields from OffsetDateTime ?
- Java 8 – How to alter Date, Time and Offset fields of OffsetDateTime ?
- Java 8 – How to check whether an OffsetDateTime is Before another OffsetDateTime ?
- Java 8 – How to check whether an OffsetDateTime is After another OffsetDateTime ?
- Java 8 – How to compare two OffsetDateTime instances ?
- Java 8 – How to find difference between two OffsetDateTime using Period & Duration ?
- Java 9 – Find difference between two OffsetDateTime instances upto nanosecond precision ?
- More Java 8 Date/Time API examples
References:
- https://docs.oracle.com/javase/8/docs/api/java/time/OffsetDateTime.html
- https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html
- https://docs.oracle.com/javase/7/docs/api/java/util/Date.html
- https://docs.oracle.com/javase/7/docs/api/java/util/Calendar.html
Happy Coding !!
Happy Learning !!