//Sample01_03.java

import java.io.File;
import java.io.FileOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

class Sample01_03{
  public static void main(String[] args){

    String path = "hello.txt";
    File file = new File(path);
    String inputText = "Hello!\nThis is Sample01_03!\n";
    char[] charArray = inputText.toCharArray();
    byte[] byteArray = new byte[charArray.length];
    for(int i=0; i<charArray.length; i++){
      byteArray[i] = (byte)charArray[i];
    }
    try {

      FileOutputStream outStream = new FileOutputStream(file);

      outStream.write(byteArray);
      outStream.close();

    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e){
      e.printStackTrace();
    }
  }
}