C++ output stream 問題

Java 裡面,有個 abstract class 叫做 OutputStream,
只要我 implement write( ) method 落去,
佢就會識行晒其他 method 。

C++ 有無類似啲咁嘅嘢?

iostream既"ostream"已經係
分別係唔會寫write() function, 而係override "<<" (output) 同">>"(input) operator

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