IO字符流--------FileReader

public class IoFileReader {
    public static void main(String[] args) {

        try {
            FileReader fr = new FileReader("F://iodemo.txt");

            char[] frc = new char[1024];
            int len = 0;
            while ((len=fr.read(frc)) != -1){
                System.out.println(new String(frc));
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}