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Paths & Files

Last Updated: June 6, 2026

Medium Priority
31 min read

Path and Files are the two types used for file work in modern Java. Path is an abstract pathname that replaces the older File class. Files is a static utility class that does almost every common file operation in one method call: read a whole file into a string, write a list of lines, copy, move, delete, walk a directory tree. This lesson covers how to build a Path, what it exposes, and the parts of the Files API used day to day.

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