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  1. import java.time.LocalDateTime;
  2. import java.time.format.DateTimeFormatter;
  3. import java.time.format.DateTimeParseException;
  4.  
  5. public class Main {
  6.     public static void main(String[] args) {
  7.         System.out.println("Java Version: " + System.getProperty("java.version"));
  8.  
  9.         String[] timestamps = {
  10.                 "2023-10-05T15:14:29.123456789Z", // 9 digits
  11.                 "2023-10-05T15:14:29.12345678Z",  // 8 digits
  12.                 "2023-10-05T15:14:29.1234567Z",   // 7 digits
  13.                 "2023-10-05T15:14:29.123456Z",    // 6 digits
  14.                 "2023-10-05T15:14:29.12345Z",     // 5 digits
  15.                 "2023-10-05T15:14:29.1234Z",      // 4 digits
  16.                 "2023-10-05T15:14:29.123Z",       // 3 digits
  17.                 "2023-10-05T15:14:29.12Z",        // 2 digits
  18.                 "2023-10-05T15:14:29.1Z",         // 1 digit
  19.                 "2023-10-05T15:14:29Z"             // no fractional seconds
  20.         };
  21.  
  22.         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss[.SSSSSSSSS]'Z'");
  23.  
  24.         for (String timestamp : timestamps) {
  25.             try {
  26.                 LocalDateTime dateTime = LocalDateTime.parse(timestamp, formatter);
  27.                 System.out.println("Parsed date: " + dateTime);
  28.             } catch (DateTimeParseException e) {
  29.                 System.err.println("Failed to parse: " + timestamp + " - " + e.getMessage());
  30.             }
  31.         }
  32.     }
  33. }
Success #stdin #stdout #stderr 0.16s 58932KB
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stdin
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Standard input is empty
stdout
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Java Version: 12.0.1
Parsed date: 2023-10-05T15:14:29.123456789
Parsed date: 2023-10-05T15:14:29.123456780
Parsed date: 2023-10-05T15:14:29
stderr
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Failed to parse: 2023-10-05T15:14:29.1234567Z - Text '2023-10-05T15:14:29.1234567Z' could not be parsed at index 19
Failed to parse: 2023-10-05T15:14:29.123456Z - Text '2023-10-05T15:14:29.123456Z' could not be parsed at index 19
Failed to parse: 2023-10-05T15:14:29.12345Z - Text '2023-10-05T15:14:29.12345Z' could not be parsed at index 19
Failed to parse: 2023-10-05T15:14:29.1234Z - Text '2023-10-05T15:14:29.1234Z' could not be parsed at index 19
Failed to parse: 2023-10-05T15:14:29.123Z - Text '2023-10-05T15:14:29.123Z' could not be parsed at index 19
Failed to parse: 2023-10-05T15:14:29.12Z - Text '2023-10-05T15:14:29.12Z' could not be parsed at index 19
Failed to parse: 2023-10-05T15:14:29.1Z - Text '2023-10-05T15:14:29.1Z' could not be parsed at index 19
https://ideone.com/lhBNk6
language:
Java (HotSpot 12)
created:
7 days ago
visibility:
secret

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