how use DateFormat in android java code example

Example 1: android java format date time

import java.time.*;
import java.time.format.*;
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
LocalDateTime datetime = LocalDateTime.now();
String output = formatter.format(datetime);

Example 2: android java format date time

import java.time.*;
import java.time.format.*;
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
LocalDate date = LocalDate.now();
String output = formatter.format(date);