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设计模式（java源码实现）
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pattern/pattern-iterator/README.md

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迭代模式

模型：行为模型

思想：

  • 将遍历和实现分开，降低耦合
  • 遍历iterator，可扩展。比如可以实现顺序遍历，又可以另外实现倒序遍历。这样的修改对实现改动小
  • 实现的修改，对遍历影响小.