How to get the Current time in Milliseconds Java using Local Date

Program

import java.time.LocalDateTime;

public class DateTime 
{

    public static void main(String[] args) 
    {
        LocalDateTime current = LocalDateTime.now();
        System.out.println("Current Date and Time is: " + current);
    }
}

Output

Current Date and Time is: 2021-04-12T12:22:48.357798800

Description

public static LocalDateTime now()

Obtains the current date-time from the system clock in the default time-zone.
This will query the system clock in the default time-zone to obtain the current date-time.

Using this method will prevent the ability to use an alternate clock for testing because the clock is hard-coded.

Returns:

the current date-time using the system clock and default time-zone, not null