java ThreadPoolExecutor creates a thread pool, sets the maximum number of threads, etc. How to write that classic code? Write me a detailed example code. The code part is in markdown format. The code should not be mixed with the explanatory text...

Here is sample code to create a ThreadPoolExecutor in Java:// corePoolSize 核心线程池大小 // maximumPoolSize 最大线程池大小 // keepAliveTime 空闲线程存活时间 // unit 时间单位 // workQueue 任务队列 // threadFactory 线程工厂 // handler 拒绝策略 ThreadPoolExecutor executor = new ThreadPoolExecutor( corePoolSize, maximum