How do I use atDate() method of Java Date-Time API?

The atDate() method is a part of LocalTime class in the Java Date-Time API. This method combines this time with a date to create an instance of LocalDateTime.

Here’s an example:

package org.kodejava.datetime;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;

public class AtDateExample {
    public static void main(String[] args) {
        // Create a LocalTime instance
        LocalTime time = LocalTime.of(14, 20);

        // Create a LocalDate instance
        LocalDate date = LocalDate.of(2023, 1, 23);

        // Using atDate to combine time and date into a LocalDateTime
        LocalDateTime dateTime = time.atDate(date);

        System.out.println(dateTime);
    }
}

Output:

2023-01-23T14:20

In this example, a LocalTime and a LocalDate are combined into a LocalDateTime using the atDate() method. This method is useful when you have a LocalTime instance and want to combine it with a date. It’s in some sense a converse operation to LocalDate‘s atTime().

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Wayan

Founder at Kode Java

A programmer, runner and recreational diver, lives on the island of Bali, Indonesia. Programming in Java, Spring Framework, Hibernate / JPA, MySQL. To support me working on this project, buy me a cup of coffee, every little bit helps. Thank you.

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