Here is the thread pool implementation example using ThreadPoolExecutor. package com.journaldev.threadpool; import java.util.concurrent.ArrayBlockingQueue; import java.util.concurrent.Executors; import java.util.concurrent.ThreadFactory; import java.util.concurrent.ThreadPoolExecutor; import java.util.concurr...
Here is the thread pool implementation example usingThreadPoolExecutor. package com.journaldev.threadpool; import java.util.concurrent.ArrayBlockingQueue; import java.util.concurrent.Executors; import java.util.concurrent.ThreadFactory; import java.util.concurrent.ThreadPoolExecutor; import java.util.concu...
Below is our java scheduler example program usingScheduledExecutorServiceandScheduledThreadPoolExecutorimplementation. Copypackage com.journaldev.threads;importjava.util.Date;importjava.util.concurrent.Executors;importjava.util.concurrent.ScheduledExecutorService;importjava.util.concurrent.TimeUnit;publicclassScheduledTh...
importjava.util.concurrent.*;publicclassThreadPoolExample{publicstaticvoidmain(String[]args){// 创建一个基本的线程池ThreadPoolExecutorexecutor=(ThreadPoolExecutor)Executors.newFixedThreadPool(5);// 提交十个任务for(inti=0;i<10;i++){finalinttaskId=i;executor.execute(()->{System.out.println("执行...
* override one or more of the protected hook methods. For example, * here is a subclass that adds a simple pause/resume feature: * * {@code * class PausableThreadPoolExecutor extends ThreadPoolExecutor { * private boolean isPaused; * private...
import java.util.concurrent.TimeUnit; public class ThreadPoolExecutorExample { public static void main(String[] args) { // 创建线程池 ThreadPoolExecutor executor = new ThreadPoolExecutor( 2, // 核心线程数 4, // 最大线程数 60, // 空闲线程存活时间 ...
// ThreadPoolExecutor构造方法示例importjava.util.concurrent.*;publicclassThreadPoolExecutorExample{publicstaticvoidmain(String[]args){intcorePoolSize=5;intmaximumPoolSize=10;longkeepAliveTime=60;TimeUnitunit=TimeUnit.SECONDS;BlockingQueue<Runnable>workQueue=newLinkedBlockingQueue<>(100);ThreadFactorythreadFact...
ThreadPoolExample.main(ThreadPoolExample.java:26) 可以看出当第 6 个任务来的时候,线程池则执行了 AbortPolicy 拒绝策略,抛出了异常。因为队列最多存储 2 个任务,最大可以创建 3 个线程来执行任务(2+3=5),所以当第 6 个任务来的时候,此线程池就“忙”不过来了。 自定义拒绝策略 自定义拒绝策略只需要...
import java.util.concurrent.Executors; public class ThreadPoolExecutorExample { public static void main(String[] args) { //创建一个线程池执行器,指定最大线程数为10 ExecutorService executor = Executors.newFixedThreadPool(10); //提交任务到线程池 for (int i = 0; i < 100; i++) { executor....
Java ScheduledThreadPoolExecutor Example: Step 1: Create a Runnable task named “RunnableTask.java”. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 package org.arpit.java2blog; import java.util.Date; public class RunnableTask implement...