[Java 线程池 等待执行] #Java #线程池

thread_pool_wait.java

ExecutorService executor = Executors.newFixedThreadPool(45);
for(...){
	executor.execute(()->{
    	// do something
    });
}
try {
  // awaitTermination返回false即超时会继续循环，返回true即线程池中的线程执行完成主线程跳出循环往下执行，每隔10秒循环一次
  while (!executor.awaitTermination(10, TimeUnit.SECONDS)){}
} catch (Exception e) {
  e.printStackTrace();
}