자바 파일 캐릭터 단위로 복사하기

public class FileCopy {

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

FileReader fr = null;

FileWriter fw = null;

int i;

try {

fr = new FileReader(input);

fw = new FileWriter(output);

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

System.out.print(i);

fw.write(i);

}

} catch (IOException e) {

e.printStackTrace();

}finally{

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

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

}

}

public static void main(String[] args) {

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

}

}