`
hgq0011
  • 浏览: 549305 次
  • 性别: Icon_minigender_1
  • 来自: 广州
社区版块
存档分类
最新评论

Standardizing Java Persistence with the EJB3 Java Persistence API

阅读更多
      http://www.onjava.com/pub/a/onjava/2006/05/17/standardizing-with-ejb3-java-persistence-api.html
通过它可以理解到EJB3的持久化的操作是如此的方便,真正的POJO操作,真的减轻了程序员的负担,让程序员的精力都集中到业务逻辑中去.学习EJB3的难度也不算高,比起EJB2.0可以说一点都不难.EJB2.0最麻烦了,又要写配置描叙文件,写那多的接口,稍微一点错误就会让你晕很久的.不过我觉得你还是可以了解EJB2.0是怎样样子的,还要HIBERNATE是怎样子的,这样对你的理解会有很打的帮助的.^_^
分享到:
评论

相关推荐

    Neural Data Science A Primer with MATLAB and Python pdf

    A Primer with MATLAB® and Python™ present important information on the emergence of the use of Python, a more general purpose option to MATLAB, the preferred computation language for scientific ...

    Standardizing_Desktop_Images_with_Altiris_DS_6.5

    文件"Standardizing_Desktop_Images_with_Altiris_DS_6.5.pdf"应包含了详细的步骤指南、最佳实践和可能遇到的问题及其解决方案。这份文档是管理员在实施Altiris DS 6.5进行桌面镜像标准化时的重要参考资料。 总的来...

    Mastering Machine Learning with scikit-learn 第二版 2017

    Evaluating the fitness of the model with a cost function 25 Solving OLS for simple linear regression 27 Evaluating the model 29 Summary 31 Chapter 3: Classification and Regression with k-Nearest ...

    ISO.IEC 14496-3 2009, Coding of audio-visual objects

    ISO/IEC 14496-3:2009 integrates many different types of audio coding: natural sound with synthetic sound, low bitrate delivery with high-quality delivery and lossless coding, speech with music, ...

    NIST SP800-126r3.pdf

    SCAP (pronounced S-CAP) consists of a suite of specifications for standardizing the format and nomenclature by which security software communicates information about software flaws and security ...

    NIST SP800-126.pdf

    SCAP (pronounced S-CAP) consists of a suite of specifications for standardizing the format and nomenclature by which security software communicates information about software flaws and security ...

    NIST SP800-126r1.pdf

    SCAP (pronounced S-CAP) consists of a suite of specifications for standardizing the format and nomenclature by which security software communicates information about software flaws and security ...

    NIST SP800-126r2.pdf

    SCAP (pronounced S-CAP) consists of a suite of specifications for standardizing the format and nomenclature by which security software communicates information about software flaws and security ...

    金来福连锁超市营销策略存在的问题及对策浅析.docx

    adopting different pricing methods for different products to solve the problem of single pricing strategy in the price strategy, standardizing the site selection of branch stores to address the issue...

    物流“最后一公里”中的电动汽车技术运用.pdf

    For logistics companies, prioritizing the "last mile," managing personnel, standardizing vehicles, setting up temporary storage facilities, and improving goods handling can lead to better performance...

    基于python爬虫的菜价可视化系统源码数据库论文.docx

    2. **Data Processing**: The collected data is preprocessed, cleaning and standardizing it for analysis. This may include removing duplicates, handling missing values, and converting data types as ...

    active antenna system

    The combination of MIMO with advanced digital signal processing enables precise control over the direction and shape of the RF beams, leading to improved spatial multiplexing and interference ...

    山东航天电子技术研究所计算机中心机房建设的进度管理研究--毕业论文.doc

    The progress management process established in this paper will play a positive role in standardizing the implementation process for large-scale projects, providing a strong basis for the whole ...

    终版大中型企业设备信息化管理平台的设计(推荐版本).doc

    The focus is on standardizing the management of equipment through信息化 processes, aiming to deeply understand informationization, adopt advanced equipment management concepts, and integrate cutting-...

    毕业论文weixin128在线视频教育系统+ssm论文.doc

    浏览器进行后台数据管理, with MySQL serving as the local database. The WeChat applet employs the WeChat Developer Tool, ensuring the stability of the system. The system features a clear interface, ...

    NIST SP800-171.pdf

    On November 4, 2010, the President signed Executive Order 13556, Controlled Unclassified Information.3 The Executive Order established a governmentwide Controlled Unclassified Information (CUI)4 ...

    NIST SP800-175A.pdf

    On November 4, 2010, the President signed Executive Order 13556, Controlled Unclassified Information.3 The Executive Order established a governmentwide Controlled Unclassified Information (CUI)4 ...

    NIST SP800-170.pdf

    analyzing, and standardizing cryptographic technology, such as hash algorithms, symmetric and asymmetric cryptographic techniques, key management, authentication, and random number generation. CTG...

    Introduction_to_Optimum_Design.pdf

    - **U.S.-British versus SI Units:** Clarifies the difference between British and International System (SI) units, important for standardizing measurements across different countries. ### Chapter 2: ...

Global site tag (gtag.js) - Google Analytics