write.java

import java.io.*;

class DemoWriteFile {

 public static void main(String args[]) {
  FileOutputStream fos = null;

  BufferedReader br = null;
  String str;

  System.out.print("Press * to end");
  try {

   fos = new FileOutputStream(args[0]);

   br = new BufferedReader(new InputStreamReader(System.in));

   do {
    str = br.readLine();

    byte b[] = str.getBytes();

    fos.write(b);

   } while (!str.equals("*"));

   fos.close();

  } catch (IOException e) {
   System.out.println(" " + e);

  }
  System.out.print("file created successfully");

 }
}