The default constructor invoked the no - arg constructor of the superclass.

默认构造函数调用父类的无参数构造函数.

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This abstract class is the superclass of all classes representing an output stream of bytes.

该抽象类是所有表示字节输出流的类的父类.

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Click'Continue'without specifying a Superclass if the new class is a root class.

若新类是根类,不用指定超类,请按[继续].

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