import java.util.Arrays; import java.util.List; import java.util.concurrent.Callable; import java.util.concurrent.Executors; import java.util.concurrent.ExecutorService; import java.util.concurrent.Future; public class AdvancedExecutorServiceExample { public static void main(String[] args) { ExecutorServi...
public static void main(String[] args) { ExecutorService executorService = Executors.newFixedThreadPool(10); List<Callable<Integer>> tasks = Arrays.asList(1,2,3,4,5,6,7,8,9,10,11,12,13,14).stream().map(id->{ return new Callable<Integer>() { @Override public Integer call() throws...
newSingleThreadExecutor():创建一个只有一个线程的线程池。 importjava.util.concurrent.ExecutorService;importjava.util.concurrent.Executors;publicclassExecutorServiceExample{publicstaticvoidmain(String[]args){ExecutorServiceexecutorService=Executors.newFixedThreadPool(5);// ...}} 1. 2. 3. 4. 5. 6. 7. ...
ExecutorServiceexecutor=Executors.newCachedThreadPool();// 提交一些任务executor.shutdown(); 1. 2. 3. 示例代码 以下是一个使用ExecutorService的示例代码: importjava.util.concurrent.ExecutorService;importjava.util.concurrent.Executors;importjava.util.concurrent.TimeUnit;publicclassExecutorServiceExample{publicstati...
2.ScheduledExecutorServiceExamples In this example, we will execute a simple task under various scenarios to better understand the usage of this interface. classTaskimplementsCallable<String>{privatefinalStringname;publicTask(Stringname){this.name=name;}@OverridepublicStringcall()throwsException{return"Task...
为了更好地理解ScheduledExecutorService的用法,让我们看一个简单的代码示例,这个例子实现了每隔 5 秒打印一次当前时间的功能: importjava.util.concurrent.Executors;importjava.util.concurrent.ScheduledExecutorService;importjava.util.concurrent.TimeUnit;publicclassScheduledExecutorExample{publicstaticvoidmain(String[]args...
1.1Java Scheduler Example 1.2ScheduledExecutorService scheduleAtFixedRate(Runnable command,long initialDelay,long period,TimeUnit unit) 1.3ScheduledExecutorService scheduleWithFixedDelay(Runnable command,long initialDelay,long delay,TimeUnit unit) Java Scheduler ScheduledExecutorService ...
方式一:使用ExecutorService的实现类ThreadPoolExecutor自创建一个线程池对象, 方式二:使用Executors(线程池的工具类)调用方法返回不同特点的线程池对象。 1、ThreadPoolExecutor构造器 publicThreadPoolExecutor(intcorePoolsize, //指定线程池的核心线程的数量intmaximumPoolsize,//指定线程池的最大线程数量longkeepAliveTim...
import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;public class ThreadPoolExample { public static void main(String[] args) { ExecutorService executor = Executors.newFixedThreadPool(5);for (int i = 0; i < 10; i++) { Runnable task = new Task(i); e...
publicstaticvoidmain(String[]args){// 创建线程池ExecutorService threadPool=Executors.newFixedThreadPool(10);while(true){threadPool.execute(newRunnable(){// 提交多个线程任务,并执行@Overridepublicvoidrun(){System.out.println(Thread.currentThread().getName()+" is running ..");try{Thread.sleep(3000...