The tree class represents a tree and is a subclass of Basetree.

树以tree类表示，这个类是Basetree的子类。

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Figure 5 demonstrates the process of generating an inheritance tree class diagram.

图5展示了产生一个继承树类图的过程。

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To set the arrow that shows the direction in which the column is sorted, the setSortDirection(int direction) method of the Tree class is called (lines 36 to 37).

要设置显示列的排序方向的箭头，可以调用 Tree 类的 setSortDirection(int direction) 方法（第 36、37 行）。

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Yarnall also has her own network of "wood scouts, " who call whenever they find a world-class tree.

FORBES: Trees with souls

On a tour of the palace's school, Charles met pupils in a reception class, before planting a tree in the garden to mark his visit.

BBC: NEWS | South Asia | Prince Charles gets into Indian groove

Some of the quotes cited are about how her Rogue class is good at stabbing, or leveling her assassination skill tree, or wields daggers, or runs dungeons.

FORBES: On Video Games as a Political Liability