APKPure Appを使用する
Java.io package Tutorialの旧いバージョンをダウンロードすることが可能
Java.ioパッケージを学びます
Java.io package provides classes for system input and output through data streams, serialization and the file system. This reference will take you through simple and practical methods available in java.io package.
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* Features:
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# Very simple User Interface
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# Free app
Good luck!