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Java

Reading and Writing Files in Java

Read text files fully or line-by-line and append content safely.

Reading and Writing Files in Java — a practical guide to Java read write file with clear examples you can reuse in real projects.

Java Tutorial Series (67/90). Prefer one article? Read the complete Java tutorial.

Short description

Choose charset consciously (UTF-8) for portable text files.

Read lines

import java.nio.file.*;
import java.util.List;

List<String> lines = Files.readAllLines(Path.of("notes.txt"));
lines.forEach(System.out::println);

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