1.使用FileOutputStream实现复制
public class FileOutputStreamTest
{
public static void main(String[] args) throws IOException
{
FileInputStream fis = null;
FileOutputStream fos = null;
try
{
fis = new FileInputStream("FileOutputStreamTest.java");
fos = new FileOutputStream("newFile.txt");
byte[] bbuf = new byte[32];
int hasRead = 0;
while((hasRead = fis.read(bbuf))>0)
{
fos.write(bbuf,0,hasRead);
}
}
catch(IOException ioe)
{
ioe.printStackTrace();
}
finally
{
if(fis != null)
{
fis.close();
}
if(fos != null)
{
fos.close();
}
}
}
}
2.直接输入字符串内容，使用Writer会有更好地效果
public class FileWriterTest
{
public static void main(String[] args) throws IOException
{
FileWriter fw = null;
try
{
fw = new FileWriter("poem.txt");
fw.write("锦瑟 - 李商隐 \r\n");
fw.write("锦瑟无端五十弦，一弦一柱思华年。\r\n");
}
catch(IOException ioe)
{
ioe.printStackTrace();
}
finally
{
if(fw != null)
{
fw.close();
}
}
}
}