perforb

package com.example.todo.common.datetime;

import java.time.Clock;
import java.time.ZoneId;
import java.time.ZonedDateTime;

public class ClockTimeTest {

  public static void main(String[] args) {
    Clock utc = Clock.systemUTC();

perforb

package com.example.todo.library.datetime;

import java.time.Clock;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoField;
import java.util.Objects;

perforb

  public static void main(String[] args) {
    Instant instant = Instant.ofEpochMilli(System.currentTimeMillis());
    String timeZone1 = ZoneId.SHORT_IDS.get("CST");
    String timeZone2 = ZoneId.SHORT_IDS.get("JST");
    String timeZone3 = "UTC";
    ZonedDateTime zonedDateTime1 = ZonedDateTime.ofInstant(instant, ZoneId.of(timeZone1));
    ZonedDateTime zonedDateTime2 = ZonedDateTime.ofInstant(instant, ZoneId.of(timeZone2));
    ZonedDateTime zonedDateTime3 = ZonedDateTime.ofInstant(instant, ZoneId.of(timeZone3));

    System.out.println(String.format("%2s:%2s %s", zonedDateTime1.getHour(), zonedDateTime1.getMinute(), zonedDateTime1));

perforb

# Sample 2.0 config.yml Files
# https://circleci.com/docs/2.0/sample-config/
# https://circleci.com/docs/2.0/language-java/

version: 2.1
executors:
  default:
    docker:
      - image: circleci/openjdk:11-jdk-browsers
        environment: