import java.io.*;

class WriteToFileFromInputStream
 {
    public static void main (String args[])
     {
        File file = null;
        FileInputStream fis = null;
        FileOutputStream fos = null;
        int i = 0;
        try
         {
           fis = new FileInputStream("existingFile.txt");
           file =  new File("writeToFileFromInputStream.txt");
           fos = new FileOutputStream(file);
           byte[] data = new byte[1024];
           while((i=fis.read(data))>0)
             {
                fos.write(data);
             }
           fis.close();
           fos.flush();
           fos.close();
         }
         catch(Exception e)
          {
            System.out.println(e);
          }
         System.out.println("\n New file is created successfully");
     } 
 }