一般通过继承Thread还有实现Runnable,都不可以有返回值,不可以声明检查异常。 Callable和Future,通过ExecutorService的submit方法执行Callable,并返回给Future,这里返回值只有一个,ExecutorService继承自Executor,通过使用Executor执行器来操作。 public class CallableAndFuture {
Query failed with error code 96 and error message 'Executor error during find command: OperationFailed: Sort operation used more than the maximum 33554432 bytes of RAM. Add an index, or specify a smal