java的property配置文件的用法（The usage of the property configuration file for Java）.docVIP

下载本文档

4
0
约7.7千字
约 17页
2017-08-16 发布于河南
举报
版权申诉

java的property配置文件的用法（The usage of the property configuration file for Java）.doc

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

java的property配置文件的用法（The usage of the property configuration file for Java）

java的property配置文件的用法（The usage of the property configuration file for Java） The form of perties file The following # server, database information DbPort = localhost DatabaseName = mydb DbUserName = root DbPassword = root The following table information database for # DbTable = mytable The following information for the server # IP = In the above file, we assume the file name is: perties file. One of # annotation information behavior began; in the = sign on the left we call key; = sign on the right we call value. (thats what we often call key value pairs.) key should be a variable in our program. And value is configured according to the actual situation. In.JDK two, the Properties class Properties class exists in the cell Java.util, which inherits from Hashtable and provides several major methods: 1.getProperty (String key) uses the specified key to search for attributes in this property list. That is, you get the value corresponding to the key through the parameter key. 2.load (InputStream, inStream) reads the list of attributes (keys and element pairs) from the input stream. Load all the key value pairs in the file by loading the specified file (for example, the perties file above). Search for getProperty (String, key). 3.setProperty (String, key, String, value), the method of calling Hashtable, put. He sets the key value pair by invoking the put method of the base class. 4.store (OutputStream, out, String, comments) writes the list of attributes (keys and element pairs) in this Properties table to the output stream in the format that is suitable for loading into the Properties table using the load method. In contrast to the load method, the method writes key value pairs into the specified file. 5.clear () clears all load key value pairs. This method is provided in the base class. With the above several methods, we can operate the.Properties file! Three. Code examples Package configuration; Import Java.io.FileInputStream; Import Java.io.FileNotFoundException; Impor