一个类也可以没有子类,没有子类的类被称为叶类(leaf class).如果一个类恰好只有一个父类,这样的继承被称为单继承(single inheritance),如果一个类有多个父类,这样的继承就是多继承(m...
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...使用ISerializable接口时有一个弊端,你可以看到,我很早就让MyType成为密封(sealed)的,这就强制让它只能成为叶子类(leaf class)。在基类实现ISerializable接口就隐式的让所有派生类也序列化。
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leaf size class 叶面积等级
class single-leaf fireproof glass 单片防火玻璃
high class leaf 上等烟
poor class leaf 下等烟
high class leaf rate 上等烟率
majority class leaf nodes 大多数类叶子节点
以上来源于: WordNet
The quick but incorrect way to remedy the problem would be to eliminate the Leaf class and represent Leaf nodes simply by putting null Pointers in the left and right fields of a Branch.
一种快速但不正确的解决这个问题的方法是除去Leaf类并通过简单地将空指针放在Branch的left和right字段中来表示leaf节点。
If we had added a getValue method to class Leaf, we would either have to return some sort of flag value indicating that the method application is non-sensical or actually throw an exception.
如果我们已经向 Leaf 类添加了 getValue 方法,我们要么是不得不返回一些类型的标志值表明此方法应用是无意义的,要么是实际抛出一个异常。
Maple Leaf education concerns not only class teaching, but also development of students' other abilities.
枫叶的教育不仅止步于课堂,还注重其他能力的培养。
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