import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
 
public class DocGhiFile {
	private static final String FILENAME = "data.txt";
 
	public static void main(String[] args) {
		try (BufferedWriter bw = new BufferedWriter(new FileWriter(FILENAME))) {
			String content = "1234567890\n";
			bw.write(content);
			//Thông báo
			System.out.println("Đã ghi file thành công!!!!");
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}