+ method.getName()); System.out.println("Return Type Details: " + returnParam.getName()); } } } catch (Exception e) { e.printStackTrace(); } } } // A simple class class demoForReturnParam { // Method returning int value public int setValue() { System.out.println("setValue")...
Workers are created with an initial first task * (in method execute()) to bypass(绕开) queuing when there are fewer * than corePoolSize threads (in which case we always start one), * or when the queue is full (in which case we must bypass queue). * Initially idle threads are usuall...
简介:【Java报错】多数据源mapper异常more than one `primary` bean found among candidates: [sqlSessionFactory] 问题分析解决 1. 报错分析 项目使用了多个数据源,但是没有使用持久层框架,后期加入了 mybatis-plus 插件,启动项目时报错,信息如下: 2021-08-19 09:16:20 ERROR [,,,] [main] o.s.boot.Spring...
* method to abruptly return by throwing {@code * InterruptedException}. * * @return the computed result */ public final V join() { if (doJoin() != NORMAL) return reportResult(); else return getRawResult(); } /** * Report the result of invoke or join; called only upon * non-nor...
Oracle Java 是第一大编程语言和开发平台。它有助于企业降低成本、缩短开发周期、推动创新以及改善应用程序服务。Java 现在仍是企业和开发人员的首选开发平台。 用于运行桌面应用程序的 Java 面向使用台式机和笔记本电脑的最终用户 下载适用于台式机的 Java
from sysmngdba.res@msp t where t.id = h.module_id) module_id, (select index_value from int_sys_param where index_type = 'operateType' and index_code = h.operate_type) operate_type, h.operate_page, h.tab_nm, DECODE(h.status, '0', '??', '1', '??', '2', '???') st...
return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE"; default: return "unknown GCCause"; } ShouldNotReachHere(); } 重点需要关注的几个GC Cause: System.gc():手动触发GC操作。 CMS:CMS GC 在执行过程中的一些动作,重点关注 CMS Initial Mark 和 CMS Final Remark 两个 STW 阶段。
format(String pattern, Object... arguments) static method De-serializing a MessageFormat object with an ArgumentIndex value at or over the limit will throw an InvalidObjectException. Bug Fixes This release also contains fixes for security vulnerabilities described in the Oracle Critical Patch Update ...
MethodRemark getMediaShotTime(uri: Uri?, block: (Long)) 获取媒体文件拍摄时间 formatMediaMetadataKeyDate(date: String?): Date? 转换MediaMetadataRetriever.METADATA_KEY_DATE的特殊时间格式 dumpMediaInfoByMediaMetadataRetriever(uri) 打印音频或视频的详细信息 (Use MediaMetadataRetriever) dumpMediaInfoByExif...
* value. * * @param runnable the runnable task being wrapped * @param value the default value for the returned future * @param <T> the type of the given value * @return a {@code RunnableFuture} which, when run, will run the