buffinout.java

来自「180个针对Java初学者的简单实例180个针对Java初学者的简单实例180个」· Java 代码 · 共 43 行

//利用BufferedInputStream类和BufferedInputStream类来实现两个文件的复制。
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");    //文件输入流
			oBIS = new BufferedInputStream(oFIS);      //连接成带缓冲的输入流
			oFOS = new FileOutputStream("test11_5.txt");  //文件输出流
			oBOS = new BufferedOutputStream(oFOS);   //连接成带缓冲的输出流
			while((c = oBIS.read())!= -1)               //从oBIS对象文件中读取数据
				oBOS.write(c);                   //从向oBOS对象文件中写入数据
			oBOS.flush();                        //刷新流，强制输出
		}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);
		}	
		}
	}
}