java.time.LocalDate.atTime(int hour, int minute, int second, int nanoOfSecond) java.time.LocalDate.atTime(int hour, int minute, int second) java.time.LocalDate.atTime(LocalTime time) java.time.LocalDate.atTime(int hour, int minute, int second, int nanoOfSecond) package com.codingdict; import java.time.LocalDate; import java.time.LocalDateTime; public class LocalDateDemo { public static void main(String[] args) { LocalDate date = LocalDate.parse("2017-02-03"); System.out.println(date); LocalDateTime date1 = date.atTime(1,20,30,500); System.out.println(date1); } } java.time.LocalDate.atTime(int hour, int minute, int second) java.time.LocalDate.atTime(LocalTime time)