java的几种定时器的具体使用(4种)

<!-- 启用注解定时器 -->
 <task:annotation-driven />
在要具体的方法上加入注解@Scheduled

@Scheduled(cron = "0 0 * * * ? ")
    public void myTask(){
           //定时任务......
}

<bean id="myTask" class="cn.coolwind.MyTask"/>
 <!-- 1.定义工作任务job -->
    <bean id="testJob" class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
        <!-- 定时器的类  -->
        <property name="targetObject" ref="myTask"></property>
        <!-- 需要定时执行的方法  -->
        <property name="targetMethod" value="test"></property>
        <property name="concurrent" value="false"></property>
    </bean>
    <!-- 2.定义触发器Trigger并与Job绑定 -->
    <bean id="testJobTrigger" class="org.springframework.scheduling.quartz.CronTriggerFactoryBean">
        <property name="jobDetail" ref="testJob"/>
        <!-- 根据需要设置定时执行的时间 -->
        <property name="cronExpression" value="0 0/5 * * * ?" />
    </bean>
 
   <!-- 3.定义调度器，并将trigger注册进去 -->
<bean name="quartzScheduler" class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
        <property name="triggers">
            <list>
                 <ref local="testJobTrigger" />
            </list>
        </property>
    </bean>

    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>
    classpath:applicationContext.xml,
    classpath:log4j.xml,
                classpath:spring-quartz.xml
   </param-value>
    </init-param>

new Timer().schedule(new TimerTask() {
            @Override
            public void run() {
                try {
                    //do Something
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        },0,5L * 60 * 1000);

public class TaskTest {
    private static final ExecutorService pool = Executors.newFixedThreadPool(5);// 线程池
    public static final TaskTest me = new TaskTest();
    public final int[] arr = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9};
 
    public static void main(String[] args) {
        me.start();
    }
 
    private void start() {
        pool.execute(new Runnable() {
            @Override
            public void run() {
                while (true) {
                    try {
                        for (int i = 0; i < arr.length; i++) {
                            if (1 == arr[i]) {
                                System.out.println("start!");
                                Thread.sleep(1*1000L);
                            }
                            if (6 == arr[i]) {
                                System.out.println("stop!");
                                Thread.sleep(5*1000L);
                            }
                            System.out.println(arr[i]);
                            if (9 == arr[i]) {
                                System.out.println("end!");
                                Thread.sleep(5*1000L);
                            }
                        }
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
    }
}