An important thing to note here is that you should either design and write new code, or refactor existing code.
这里要注意的重要一点是，您应该要么设计并编写新代码，要么重构现有的代码。
When you design a J2EE application or portal application, a major thing to consider is performance.
当您设计一个J2EE应用程序或者门户应用程序的时候，需要考虑的一个很重要的事情是性能。
Make a conscious effort to try one new thing with a design or learn how to code one thing you didn't know how before.
有意识的尝试一些新设计或者学习编写一些你从前不知道的东西。
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