Program for accepting user id and password in Java

/*
  A program for accepting 
  user id and password 
  from user
*/

import java.io.Console;
import java.util.Arrays;
import java.lang.*;
public class p {

    public static void main(String[] args) {

	Console con = System.console();

        StringBuffer userid=new StringBuffer(con.readLine("User id: "));

        char[] password = con.readPassword("EnTeR a PaSsWoRd:");

        System.out.println("Userid:"+userid);
   
        System.out.println("password:");
      
       for(int j=0;j