CODEWITHSUNDEEP
javadatejava-time
user15477026
user15477026

Reputation:

Date formatting in Java to a specific format

The date I fetched from an open API is 2021-04-28. I want to format it in this way: 4/28/2021. Below is the method I tried:

public String formatDateFetchedFromAPI(String transDate) {
    LocalDate apiDate = LocalDate.parse(transDate, DateTimeFormatter.BASIC_ISO_DATE);
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("M/d/yyyy");
    String actualDate = formatter.format(apiDate);
    return actualDate;
}

This throws an error saying:

java.time.format.DateTimeParseException: Text '2021-04-28' could not be parsed at index 4

If the data that I pull from open API is 20210426 then this method works just fine and returns 4/28/2021.

Upvotes: 1

Views: 581

Answers (1)

Youcef LAIDANI
Youcef LAIDANI

Reputation: 60046

Your date looks like an ISO_LOCAL_DATE and not BASIC_ISO_DATE, so instead you can just use

LocalDate apiDate = LocalDate.parse(transDate);

without DateTimeFormatter, because LocalDate.parse by default uses ISO_LOCAL_DATE.

Upvotes: 2

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