java.time.LocalDateTime.format() Method Example

Description

The java.time.LocalDateTime.format(DateTimeFormatter formatter) method formats this date-time using the specified formatter.

Declaration

Following is the declaration for java.time.LocalDateTime.format(DateTimeFormatter formatter) method.

public String format(DateTimeFormatter formatter)

Parameters

formatter − the formatter to use, not null.

Return Value

the formatted date string, not null.

Exceptions

DateTimeException − if an error occurs during printing.

Example

The following example shows the usage of java.time.LocalDateTime.format(DateTimeFormatter formatter) method.

package com.tutorialspoint;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

public class LocalDateTimeDemo {
   public static void main(String[] args) {

      LocalDateTime date = LocalDateTime.parse("2017-02-03T12:30:30");
      System.out.println(date);  
      DateTimeFormatter formatter = DateTimeFormatter.ISO_TIME;
      System.out.println(formatter.format(date));  
   }
}

Let us compile and run the above program, this will produce the following result −

2017-02-03T12:30:30
12:30:30