Java 파일 바이트 단위로 복사하기

public class FileCopy {

public static void fileCopy(String input, String output){

FileInputStream fis = null;

FileOutputStream fos = null;

int i;

try{

fis = new FileInputStream(input);

fos = new FileOutputStream(output);

while((i = fis.read()) != -1){

fos.write(i);

}

}catch(IOException e){

e.printStackTrace();

}finally{

try{fis.close();}catch(IOException e){e.printStackTrace();}

try{fos.close();}catch(IOException e){e.printStackTrace();}

}

}

public static void main(String[] args) {

fileCopy("input.png", "output.png");

}

}