另一方面，您也可能想重写某些基类方法。
On the other hand, you may want to override certain base-class methods.
如果需要使用第三方库，还必须将它们也添加到类路径。
另一方面，单个类可以实现多个接口。
For another, a single class can implement multiple interfaces.
美国的消费类互联网公司并不是这种现金流的唯一受益方。
American consumer-internet companies have not been the only beneficiaries of this flood of cash.
一类是韩方雇佣的保安人员，另一类是公寓雇佣的保安人员。
One is employed by South Korea, and the other by the apartment.
另一方面，person对象类是结构性的。
此外，在Internet上还提供了多种第三方类库。
In addition, a wide variety of third-party class libraries are available on the Internet.
另一方面，水果通常是一种花类植物的成熟子房。
A fruit, on the other hand, is always the matured ovary of a flowering plant.
第三方的类必须被重写，只能从抽象类继承。
A third party class must be rewritten to extend only from the abstract class.
第三方的类必须被重写，只能从抽象类继承。
A third party class must be rewritten to extend only from the abstract class.
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