java - Convert yyyy-MM-dd HH:mm:ss.SSS zzz format Strin to date object

Java - Convert yyyy-MM-dd HH:mm:ss.SSS zzz format Strin to date object

To convert a String in the format "yyyy-MM-dd HH:mm:ss.SSS zzz" to a Date object in Java, you can use the SimpleDateFormat class. Here's an example:

import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.TimeZone; public class StringToDateExample { public static void main(String[] args) { // Input String String dateString = "2024-01-12 15:30:45.123 UTC"; // Define the date format String pattern = "yyyy-MM-dd HH:mm:ss.SSS zzz"; SimpleDateFormat dateFormat = new SimpleDateFormat(pattern); try { // Parse the String to Date Date date = dateFormat.parse(dateString); // Output the Date object System.out.println("Converted Date: " + date); } catch (ParseException e) { System.err.println("Error parsing date: " + e.getMessage()); } } }

This code uses the SimpleDateFormat class to define the pattern corresponding to the input date format. The parse method is then used to convert the String to a Date object. If the input String doesn't match the specified format, a ParseException is caught. Additionally, the time zone is set to "UTC" using TimeZone.setDefault() to ensure proper parsing of the input date with time zone information. Adjust the time zone as needed.

Examples

  1. "Java SimpleDateFormat for String to Date with timezone"

    • Code:
      String dateString = "2022-01-15 15:30:45.123 UTC"; SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS zzz"); Date date = sdf.parse(dateString);
    • Description: Uses SimpleDateFormat to parse a string with the specified format and timezone into a Date object.

  2. "Java DateTimeFormatter for String to ZonedDateTime"

    • Code:
      String dateString = "2022-01-15 15:30:45.123 UTC"; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS zzz"); ZonedDateTime zonedDateTime = ZonedDateTime.parse(dateString, formatter); Date date = Date.from(zonedDateTime.toInstant());
    • Description: Utilizes DateTimeFormatter to parse the string into a ZonedDateTime and then converts it to a Date object.

  3. "Java LocalDateTime for String to Date with UTC"

    • Code:
      String dateString = "2022-01-15 15:30:45.123 UTC"; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS zzz"); LocalDateTime localDateTime = LocalDateTime.parse(dateString, formatter); Date date = Date.from(localDateTime.atZone(ZoneId.of("UTC")).toInstant());
    • Description: Parses the string into a LocalDateTime using DateTimeFormatter and then converts it to a Date object with UTC timezone.

  4. "Java Instant for String to Date with UTC"

    • Code:
      String dateString = "2022-01-15 15:30:45.123 UTC"; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS zzz"); Instant instant = Instant.from(formatter.parse(dateString)); Date date = Date.from(instant);
    • Description: Parses the string into an Instant using DateTimeFormatter and then converts it to a Date object.

  5. "Java Apache Commons Lang for String to Date with timezone"

    • Code:
      String dateString = "2022-01-15 15:30:45.123 UTC"; Date date = DateUtils.parseDate(dateString, "yyyy-MM-dd HH:mm:ss.SSS Z");
    • Description: Uses Apache Commons Lang DateUtils to parse the string with the specified format and timezone into a Date object.

  6. "Java OffsetDateTime for String to Date with timezone"

    • Code:
      String dateString = "2022-01-15 15:30:45.123 UTC"; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS zzz"); OffsetDateTime offsetDateTime = OffsetDateTime.parse(dateString, formatter); Date date = Date.from(offsetDateTime.toInstant());
    • Description: Parses the string into an OffsetDateTime using DateTimeFormatter and then converts it to a Date object.

  7. "Java Java 8 API for String to Date with timezone"

    • Code:
      String dateString = "2022-01-15 15:30:45.123 UTC"; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS zzz"); TemporalAccessor temporalAccessor = formatter.parse(dateString); Date date = Date.from(Instant.from(temporalAccessor));
    • Description: Uses Java 8 Date and Time API (TemporalAccessor) to parse the string and then converts it to a Date object.

  8. "Java ZoneId for String to Date with timezone"

    • Code:
      String dateString = "2022-01-15 15:30:45.123 UTC"; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS zzz"); ZonedDateTime zonedDateTime = ZonedDateTime.of(LocalDateTime.parse(dateString, formatter), ZoneId.of("UTC")); Date date = Date.from(zonedDateTime.toInstant());
    • Description: Parses the string into a ZonedDateTime with a specified ZoneId and then converts it to a Date object.

  9. "Java LocalDateTime to Date conversion with timezone"

    • Code:
      String dateString = "2022-01-15 15:30:45.123 UTC"; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS zzz"); LocalDateTime localDateTime = LocalDateTime.parse(dateString, formatter); Date date = Date.from(localDateTime.atZone(ZoneId.of("UTC")).toInstant());
    • Description: Parses the string into a LocalDateTime and then converts it to a Date object with UTC timezone.

  10. "Java ParsePosition for String to Date with timezone"

    • Code:
      String dateString = "2022-01-15 15:30:45.123 UTC"; SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS zzz"); ParsePosition pos = new ParsePosition(0); Date date = sdf.parse(dateString, pos);
    • Description: Uses ParsePosition to track the parsing position while converting a string to a Date with the specified format and timezone.

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