随笔分类 - Java架构师
Java EE (14) -- SSH配置
摘要:整合Spring与Struts1的三种方法总结 无论用那种方法来整合,第一步都是要装载spring的应用环境,有三种方式: #1. struts-config.xml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts-config PUB
阅读全文
Java EE (13) -- 常用的基础结构模式
摘要:• Replication • Load balance • Failover • Off-load shared resources • Forward cache • Request prefetch• Request short circuit• Session affinity刘老师,我考...
阅读全文
Java EE (12) -- 系统质量的分类
摘要:明显的性能(Performance): 对响应用户的应答时间的度量。可靠性(Reliability): 对包括后台存储和给用户的表示结果在内的数据正确的可能性的度量。可用性(Availability): 对用户在某一时刻试图使用系统时系统可操作且可持续操作以完成用户请求的可能性的度量。易用性(Usa...
阅读全文
Java EE (11) - 影响性能的因素
摘要:垂直层(Tier)影响性能的因素资源层数据库性能通常考虑以下方面的优化(MySQL为例):--使用哪种存储引擎:MyISAM vs. InnoDB, MERGE, MEMORY, Federated, ARCHIVE--使用分区机制--建立必要的索引--设置缓存--调优服务器参数Table_open...
阅读全文
Java EE (10) - 资源服务器的整合
摘要:加密(Encryption)和数字签名(Digital Signature)通常被用于保护通讯--加密用来防止数据传输过程中的窃听--数字签名用来防止数据传输过程中的篡改JDBC: 整合关系型数据库JMS: 整合消息系统JCA: 整合非关系型数据源WebService: 整合其他商业平台RESTfu...
阅读全文
Java EE (9) -- JDBC & JTA
摘要:Connection接口中定义了5中隔离级别常量Connection.TRANSACTION_NONE -- 不支持事务Connection.TRANSACTION_READ_UNCOMMITTED -- 脏读(事务回滚造成别的事务读取到的数据不准确),不可重复读和幻读均可发生Connection....
阅读全文
Java EE (8) -- Java EE Patterns
摘要:Java EE 模式目录由以下三个层组成:– 整合层(4)– 业务层(9)– 表示层(8)涉及 Java EE 平台代码与其它类型应用程序或遗留系统的集成:服务激活器(Service Activator) –允许客户通过使用Java消息服务(JMS)API 异步调用 EJB 组件数据访问对象(Dat...
阅读全文
Java EE (7) -- Java EE 6 Enterprise Architect Certified Master(1z0-807)
摘要:Application Design Concepts and PrinciplesIdentify the effects of an object-oriented approach to system design including the effect of encapsulation, ...
阅读全文
Java EE (6) -- Java EE 5 Enterprise Architect Certified Master
摘要:Section 1: Application Design Concepts and PrinciplesExplain the main advantages of an object-oriented approach to system design including the effect ...
阅读全文
Java EE (5) -- Java EE 6 JavaServer Faces Developer Certified Expert(1z0-896)
摘要:Section 1: Essentials of JSF2.0Identify the features of JSF such as Facelets, BookMarkable View, AJAX support and the benefits they bring inIdentify t...
阅读全文
Java EE (4) -- Java EE 6 Java Persistence API Developer Certified Expert(1z0-898)
摘要:Overview of the Java Persistence APIDescribe the basics of Object Relational Mapping (ORM)Define the key concepts of the Java Persistence API (entity,...
阅读全文
Java EE (3) -- Java EE 6 Web Services Developer Certified Expert(1z0-897)
摘要:Create an SOAP web service in a servlet containerCreate a RESTful web service in a servlet containerCreate a SOAP based web service implemented by an ...
阅读全文
Java EE (2) -- Java EE 6 Enterprise JavaBeans Developer Certified Expert(1z0-895)
摘要:Introduction to Java EEGain an understanding of the Java Platform, Enterprise Edition (Java EE)Examine the Java EE application architectureExamine Jav...
阅读全文
Java EE (1) -- Java EE 6 Web Component Developer Certified Expert(1z0-899)
摘要:1: hash map, hash tables 的区别 The HashMap class is roughly equivalent to Hashtable, except that it is unsynchronized and permits nulls. 2: class loader
阅读全文
浙公网安备 33010602011771号