import java.util.concurrent.*;/**多线程工具类
*/
public class ThreadPoolUtils {private static int CAPACITY = 10000;// 线程池核心线程数public static int CORE_POOL_SIZE = 10;// 线程池最大线程数private static int MAXIMUM_POOL_SIZE = 30;// 额外线程空状态生存时间private static Long KEEP_ALIVE_TIME = 0L;private static TimeUnit TIME_UNIT = TimeUnit.MILLISECONDS;private static ExecutorService threadPool;static {BlockingQueue<Runnable> workingQueue = new ArrayBlockingQueue<Runnable>(CAPACITY);RejectedExecutionHandler rejectedExecutionHandler = new ThreadPoolExecutor.AbortPolicy();threadPool = new ThreadPoolExecutor(CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE_TIME, TIME_UNIT, workingQueue,rejectedExecutionHandler);}/*** 提交任务** @param runnable* @throws*/public static void execute(Runnable runnable)  {threadPool.execute(runnable);}}

/**
测试工具类是否能使用
*/@Testpublic  void test() {ThreadPoolUtils.execute(new Runnable() {@Overridepublic void run() {System.out.println("1111");}});System.out.println("2");}

结果

2
1111