Как прочитать файл целиком

Buy milk
Call Anna

void main() throws IOException {
    String text = Files.readString(Path.of("notes.txt"));
    IO.print(text);
}

Buy milk
Call Anna

void main() throws IOException {
    List<String> lines = Files.readAllLines(Path.of("notes.txt"));
 
    IO.println(lines.size());
    IO.println(lines.getFirst());
}

2
Buy milk

void main() {
    try {
        IO.println(Files.readString(Path.of("missing.txt")));
    } catch (NoSuchFileException e) {
        IO.println("File not found: " + e.getMessage());
    } catch (IOException e) {
        IO.println("Cannot read: " + e.getMessage());
    }
}

File not found: missing.txt

void main() throws IOException {
    String text = Files.readString(Path.of("notes.txt"), StandardCharsets.ISO_8859_1);
    IO.println(text.length());
}

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