And while loading a file three directories down and one directory over doesn't take much time, finding that file sure can.
而且,将一个文件向下加载三个目录和向上加载一个目录不会耗费太多时间,查找此文件却需要很多时间。
Most, if not all, problems relating to class loading can be tracked down to a problem occurring in one of these phases.
虽然不是所有的问题,但至少大多数与类装入有关的问题都可以追溯到在这三个阶段中发生的某个问题。
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