import java.io.*;
 
public class WriteFile {
 
    public static void main(String[] args) throws IOException {
 
    Writer output = null;
    File file = new File("myFile.txt");
    output = new BufferedWriter(new FileWriter(file));
    output.write("Whatever string you want here");
    output.close();
    System.out.println("File written");   
 
    }
}