File Input/Output

Reading data from files and writing data to files.

What is File Input/Output in Java?

File Input/Output — Reading data from files and writing data to files.

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

class OrderFile {
    String read(Path path) throws IOException {
        return Files.readString(path);
    }
}

Level: Journeyman · More Java terms at this level

Updated September 27, 2026