目录标准方式switch - > 用法：switch yield 用法：返回值从Java14开始， switch语句有了一个很大的调整， 这就让swicth语句有了更多的操作和选择，在代码上，更加的简便灵活.
In Visual Studio, I always use Ctrl+Tab and Ctrl+Shift+Tab to navigate between documents. I see that Eclipse has Ctrl+F6 to navigate between editors, but this isn\'t nearly the same behavior. The diff
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