자바 텍스트 한글자씩 읽기

import java.io.*;

public class Graph {

public static void main(String[] args) throws IOException {

// TODO Auto-generated method stub

try {

FileReader reader = new FileReader("sample1.inp");

int ch;

while((ch=reader.read())!=-1)

{

System.out.println((char)ch);

}

} 

catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}