The serialized ObjectOutputStream object calls writeObject(os) when calling writeObject(Student s) with objects of the class that implement the Serializable interface (such as Student s) - Code World

The serialized ObjectOutputStream object calls writeObject(os) when calling writeObject(Student s) with objects of the class that implement the Serializable interface (such as Student s)

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The serialized ObjectOutputStream object calls writeObject(os) when calling writeObject(Student s) with objects of the class that implement the Serializable interface (such as Student s)

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シリアル化されたObjectOutputStreamオブジェクトは、Serializableインターフェイスを実装するクラスのオブジェクト（Student sなど）でwriteObject（Student s）を呼び出すときに、writeObject（os）を呼び出します。

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