Typical crosscutting concerns include logging, context-sensitive error handling, performance optimization, and design patterns.
典型横切关系包括日志记录、对上下文敏感的错误处理、性能优化以及设计模式。
Using the MVC and facade patterns, Figure 1 shows a typical design.
图1给出一种典型的设计，它使用MVC和facade模式。
The J2EE patterns describe typical problems in software design for the J2EE platform, and provide solutions for these problems.
J2EE模式描述了J2EE平台软件设计中遇到的常见问题，并为这些问题提供了解决方案。
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