Base64Util 用户名和密码Base64编码Java代码

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import sun.misc.BASE64Encoder;
public class Base64Util 
{
    public static void main(String args[]) throws IOException
    {
        System.out.print("请输入用户名:");
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String userName = in.readLine();
        System.out.print("请输入密码:");
        String password = in.readLine();
        BASE64Encoder encoder = new BASE64Encoder();
        System.out.println("编码后的用户名为:" 
                + encoder.encode(userName.getBytes()));
        System.out.println("编码后的密码为:" 
                + encoder.encode(password.getBytes()));        
    }
}