递归方法也需要显式的返回类型。

Recursive methods also require an explicit return type.

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例如，考虑在一个递归方法中会发生的事情。

Consider what would happen with a recursive method, for instance.

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如果找到一个子元素，那么这个方法就使用这个子元素，递归地调用它本身。

If an element child is found, the method recursively calls itself with the child element.

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b当一个方法是递归的时候。

B.When a method is recursive.

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这时你会问哪种方法更好一些呢——是递归法还是非递归法？

Now, you might ask which method is better - recursion or non-recursion?

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过多的方法调用通常意味着存在非常深的递归或无限递归。

Too many method calls is often indicative of a very deep or unbounded recursion.

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此方法不区分递归顺序。

This method is not sensitive to recursion order.

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这时你会问哪种方法更好一些呢——是递归法还是非递归法？

Now, you might ask which method is better—recursion or non-recursion?

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该方法不以递归方式搜索当前组。

This method does not search the current group recursively.

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该方法不以递归方式搜索当前组。

This method does not search the current group recursively.

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