public static void main(String[] args) throws ParseException {
        Timer timer = new Timer();
        String str="2024-06-10 23:24:00";
        Date date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(str);
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                System.out.println("定時(shí)任務(wù)執(zhí)行");
                System.out.println("定時(shí)任務(wù)執(zhí)行時(shí)間--》"+new Date());
            }
        },date);
    }

    public static void main(String[] args) throws ParseException {
        Timer timer = new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                System.out.println("定時(shí)任務(wù)執(zhí)行");
                System.out.println("定時(shí)任務(wù)執(zhí)行時(shí)間--》"+new Date());
            }
        },0,2000);
    }

//pom文件
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

spring:
  task:
    execution:
      thread-name-prefix: task_
      shutdown:
        await-termination: false
        await-termination-period: 10s
    scheduling:
      pool:
        size: 10

    @Scheduled(cron = "0/3 * * * * ? ")
    public void test1() {
        System.out.println("定時(shí)任務(wù)執(zhí)行test1");
        System.out.println("定時(shí)任務(wù)執(zhí)行時(shí)間--》"+new Date());
    }
    @Scheduled(cron = "0/3 * * * * ? ")
    public void test2() {
        System.out.println("定時(shí)任務(wù)執(zhí)行test2");
        System.out.println("定時(shí)任務(wù)執(zhí)行時(shí)間--》"+new Date());
    }