FILE I/O

import java.io.*;
import java.nio.file.*;

public class Main {
    public static void main(String[] args) {
        Path path = Paths.get("data.txt");
        
        // Writing
        try {
            Files.writeString(path, "Hello, Java NIO!");
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        // Reading
        try {
            String content = Files.readString(path);
            System.out.println("Read: " + content);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}