转换流

public class CharacterDemo {
    public static void main(String[] args) throws IOException {
//        read();
        write();
    }

    private static void write() throws IOException {
        Writer writer = new FileWriter("E:\\ch.txt");
        writer.write("双体软件精英产业学院");
        writer.close();
    }

    private static void read() throws IOException {
        Reader reader = new FileReader("E:\\ch.txt");
        while(true){
            int ch=reader.read();
            if (ch==-1){
                break;
            }
            System.out.println();
        }
        reader.close();
    }
}