fileoutputstreamtest.java

疯狂Java讲义_源码(含Java设计模式CHM

import java.io.*;
/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */
public class FileOutputStreamTest
{
	public static void main(String[] args) throws IOException
	{
		FileInputStream fis = null;
		FileOutputStream fos = null;
		try
		{
			//创建字节输入流
			fis = new FileInputStream("FileOutputStreamTest.java");
			//创建字节输入流
			fos = new FileOutputStream("newFile.txt");
			byte[] bbuf = new byte[32];
			int hasRead = 0;
			//循环从输入流中取出数据
			while ((hasRead = fis.read(bbuf)) > 0 )
			{
				//每读取一次，即写入文件输出流，读了多少，就写多少。
				fos.write(bbuf , 0 , hasRead);
			}
		}
		catch (IOException ioe)
		{
			ioe.printStackTrace();
		}
		finally
		{
			//使用finally块来关闭文件输入流
			if (fis != null)
			{
				fis.close();
			}
			//使用finally块来关闭文件输出流
			if (fos != null)
			{
				fos.close();
			}
		}
	}
}