import java.io.*;
public class OutputStreamDemo{
	public static void main(String[] args){
		FileInputStream fis = null;
		FileOutputStream fos = null;
		try{
			fis = new FileInputStream("input.txt");
			fos = new FileOutputStream("output.txt");
			System.out.println("Available data "+fis.available()+" data");
			int c = fis.read();
			while(c!=-1){
				fos.write((char)c);
				c = fis.read();
			}
		}
		catch(IOException ie){
			ie.printStackTrace();
		}
		finally{
			try{
				if(fis!=null)
					fis.close();
			}
			catch(IOException ie){
				ie.printStackTrace();
			}                                    
			try{
				if(fos!=null)
					fos.close();
			}
			catch(IOException ie){
				ie.printStackTrace();
			}
		}
	}
}