#阿里巴巴JAVA开发手册

ORA-29548: Java system class reported: string

文档解释ORA-29548:Javasystemclassreported:stringCause:AcommandthatusesaJavasystemclasswasabortedduetoanerrorreportedbytheJavasystemclass.Action:Correcttheerrorthatw...

ORA-29527: created Java source string”string”

文档解释ORA-29527:createdJavasourcestring”string”Cause:Aninformationalmessage,notanerror.Action:NoneORA-29527错误表明操作系统Java虚拟机或者应用程序提供的Java资源管理器出现了一些问题。最常...

ORA-29557: Java system class string cannot be modified

文档解释ORA-29557:JavasystemclassstringcannotbemodifiedCause:AcommandwasattemptedthatwouldhavemodifiedaJavasystemclass.Action:Noactionrequired.ORA-29557:Javasystemc...

ORA-29518: name string resolved to an object in schema string that is not a Java class

文档解释ORA-29518:namestringresolvedtoanobjectinschemastringthatisnotaJavaclassCause:AreferencednamewasresolvedtoanobjectthatisnotaJavaclass.Action:Adjustnameresolv...

ORA-29502: NAMED keyword required in CREATE JAVA RESOURCE

文档解释ORA-29502:NAMEDkeywordrequiredinCREATEJAVARESOURCECause:ThenameforaJavaresourcewasnotspecified.ThenamemustbespecifiedwiththeNAMEDkeyword.Action:Specifyavali...

ORA-29528: invalid Java call in trigger string

文档解释ORA-29528:invalidJavacallintriggerstringCause:TheJavamethodspecifiedintriggerdoesnotexistorcannotbecalledasused.Action:Adjusttriggerdefinition.ORA-29528错误是O...
IT技术学习 ·2023-07-11

ORA-29505: AS keyword is invalid in CREATE JAVA CLASS or RESOURCE

文档解释ORA-29505:ASkeywordisinvalidinCREATEJAVACLASSorRESOURCECause:TheASkeywordwasusedinCREATEJAVACLASSorRESOURCE.TheASkeywordisvalidonlyinCREATEJAVASOURCE.Action...

ORA-29509: incorrectly formed Java binary class definition

文档解释ORA-29509:incorrectlyformedJavabinaryclassdefinitionCause:AnattemptwasmadetocreateaJavaclassusingdataexpectedtobeinbinary(Java.class)format.Thedatawasfoundn...

ORA-29515: exit called from Java code with status string

文档解释ORA-29515:exitcalledfromJavacodewithstatusstringCause:Javacodeincludedacalltojava.lang.Runtime.exitInternal.Action:Donotincludethiscallunlessnon-localexitis...

ORA-29665: Java thread deadlock detected

文档解释ORA-29665:JavathreaddeadlockdetectedCause:TheJavaVMhasdetectedathreaddeadlock.Action:ModifytheJavaprogramtoavoidthedeadlockcondition....

什么是敏捷开发模式?

敏捷开发模式是一种灵活的、轻量级的、迭代的开发方式,它强调开发人员及其客户之间及时、深入、透明的合作。其目标是快速交付高质量的软件,在变化的需求下保持灵活性。敏捷开发模式的几大原则和价值:1)合作和互动更胜于流程和工具。2)可以工作的软件更胜于详尽的文档。3)与客户的合作更胜于合同谈判。4)对变化的响应更胜于遵循计划。...
开发笔记 ·2023-05-17

Java时间工具类,获取日、周、旬、月、季度、半年、年等时间周期

时间周期工具类importjava.text.ParseException;importjava.text.SimpleDateFormat;importjava.util.ArrayList;importjava.util.Calendar;importjava.util.Date;importjava.util.L...

javascript 判断字符串中是否有html代码/标签

javascript判断字符串中是否有html代码/标签varregex=/(<([^>]+)>)/igreturnregex.test(str); ...

Java容器Stack

Collection接口AbstractCollectionAbstractListVectorStackpublicEpush元素在栈顶,最后一个元素publicsynchronizedEpop()删除并返回栈顶元素(最后一个)publicsynchronizedEpeek()返回栈顶元素(最后一个)publicsy...
代码星球 ·2023-05-06

Java对象内存管理

编译好的Java代码要放在JVM内执行,不同的数据放在不同的区域内。具体包括:堆,栈,方法区。堆:存放new 出来的 对象。栈:存放方法中的局部变量。所以,它是依赖方法的调用存在的。一旦这个方法调用完毕,它(对应的“栈帧”)就会被清除。由上可以得知,成员变量肯定存在于堆中,因为它是属于new 出来的对象的。方法区:存放...
代码星球 ·2023-05-06
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