//利用BufferedInputStream類和BufferedInputStream類來實現兩個文件的復制。
import java.io.*;
public class BuffInOut
{
	public static void main(String[] args)
	{
		FileInputStream oFIS =null;
		FileOutputStream oFOS = null;
		BufferedInputStream oBIS = null;
		BufferedOutputStream oBOS = null;
		int c;
		try
		{
			oFIS = new FileInputStream("test11_1.txt");    //文件輸入流
			oBIS = new BufferedInputStream(oFIS);      //連接成帶緩沖的輸入流
			oFOS = new FileOutputStream("test11_5.txt");  //文件輸出流
			oBOS = new BufferedOutputStream(oFOS);   //連接成帶緩沖的輸出流
			while((c = oBIS.read())!= -1)               //從oBIS對象文件中讀取數據
				oBOS.write(c);                   //從向oBOS對象文件中寫入數據
			oBOS.flush();                        //刷新流，強制輸出
		}catch(FileNotFoundException e1)
		{
			System.out.println(e1);
		}catch(IOException e2)
		{
			System.out.println(e2);
		}
		finally
		{
		try
		{
			if(oFIS !=null) oFIS.close();
			if(oFOS !=null) oFOS.close();
			if(oBIS !=null) oBIS.close();
			if(oBOS !=null) oBOS.close();
		} catch(IOException e3)
	    { 
			System.out.println(e3);
		}	
		}
	}
}