import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
public class ByteSteam {
public static void main(String[] args) {
FileInputStream fileInputStream = null;
FileOutputStream fileOutputStream = null;
try {
fileInputStream = new FileInputStream("D:\\target\\hi\\123\\newtest.txt");
fileOutputStream = new FileOutputStream("D:\\target\\hi\\zijie");
byte [] car = new byte[1024];
int validLength;
while((validLength=fileInputStream.read(car))!=-1) {
fileOutputStream.write(car,0,validLength);
}
fileOutputStream.flush();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally {
if(fileInputStream!=null) {
try {
fileInputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(fileOutputStream!=null) {
try {
fileOutputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}