//输出流
@Test
public void testOutStream() throws Exception{
OutputStream out =new FileOutputStream("abc.txt");
String content="hello word/nwww.baidu.com ";
byte[]contentBytes=content.getBytes();
out.write(contentBytes);
out.close();
}
//文件的拷贝
@Test
public void copyFile() throws Exception {
InputStream in=new FileInputStream("abc.txt");
OutputStream out =new FileOutputStream("abc2.txt");
byte[]buffer=new byte[10];
int len=0;
while((len=in.read(buffer))!=-1){
out.write(buffer, 0, len);;
}
in.close();
out.close();
}