线程池
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ExecutorService :真正的线程池接口。常见子类ThreadPoodExecutor
void execute(Runnable command):执行任务/命令,没有返回值,一般用来执行Runnable
<T>Future<T>submit(Callable<T> task):执行任务,有返回值,一般用来执行Callable
void shutdown():关闭连接池
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Executors:工具类、线程池的工厂类,用于创建并返回不同类型的线程池。
package Thread;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class POOLThread {
public static void main(String[] args) {
//创建线程池
//newFixedThreadPool参数线程池的大小
ExecutorService service = Executors.newFixedThreadPool(10);
//执行
service.execute(new MyThread());
service.execute(new MyThread());
service.execute(new MyThread());
service.execute(new MyThread());
//关闭连接
service.shutdown();
}
}
class MyThread implements Runnable{

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