Gravar no bd

package br;
import java.sql.*;
public class BDAcesso {

	public static void registrar(){
	      try {
	      Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
	      } 
	      catch(ClassNotFoundException e) {
	          System.out.println("Classe do driver não encontrada:");
	          System.out.println(e.getMessage());
	          System.exit(0);
	          }
	          }
	public static Connection conectar(){
		Connection c = null;
	    try{
	    	String url = "jdbc:odbc:Driver=" +
	        "{Microsoft Access Driver (*.mdb)};" +   	
	 "dbq=C:/Users/Antonio/Documents/Antônio/Ulbra 2012/Linguagem comercial/Faculdade.mdb";
	 c = DriverManager.getConnection(url,"","");
	     } 
	     catch(SQLException e) {
	     System.out.println(e.getMessage());
	     System.exit(0);
	     }
	     return c;
	     }
	public static String Insere(String dad []){
	     registrar();
	     Connection C = conectar();
	     String s = "";
	 
	     try {
	     Statement stmt = C.createStatement();
	     String sql = "Insert into Aluno(Codigo, Nome, Sexo) Values('"+dad[0]+"','"+dad[1]+"','"+dad[2]+"')";
	     int NRO= stmt.executeUpdate (sql);
	     s="Gravado com sucesso\n\n";
	     s+="Registro gravado: "+NRO;
	     stmt.close();
	     C.close();
	    }
	     catch 	 (SQLException e){
	    		 System.out.println(e.getSQLState());
	    	 }
	    	 return s;
	     }
	    	 
}

package br;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class FormAluno extends BDAcesso {
	static String Codigo;
	static  String Nome;
	static String Sexo;

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
try{	
	System.out.println("Codigo");
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	Codigo= br.readLine();	
   }

    catch(IOException e){
   }
    
try{
    System.out.println("Nome");
    BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
    Nome= br.readLine();
   }
	
	catch(IOException e){
   }
	
try{
	System.out.println("Sexo");
	BufferedReader br=new BufferedReader(new InputStreamReader(System.in));	
	Sexo= br.readLine();
   }
		
    catch(IOException e){
	}
		
	}
	
    }