Java - Conexión

package Test_Conexion;

import java.sql.*;

public class Clase_Conexion {

    private Connection conexion=null;

    private String servidor="";

    private String database="";

    private String usuario="";

    private String password="";

    private String url="";

    public Clase_Conexion(String servidor, String database, String usuario, String password){

        try {

            this.servidor = servidor;

            this.database = database;

            Class.forName("com.mysql.jdbc.Driver");

            //Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

            url="jdbc:mysql://"+servidor+"/"+database;

            conexion=DriverManager.getConnection(url, usuario, password);

            System.out.println("Conexion a Base de Datos "+url+" . . . . .Ok");

        }

        catch (SQLException ex) {

            System.out.println(ex);

        }

        catch (ClassNotFoundException ex) {

            System.out.println(ex);

        }

    }

    public Connection getConexion(){

        return conexion;

    }

    public Connection cerrarConexion(){

        try {

            conexion.close();

             System.out.println("Cerrando conexion a "+url+" . . . . . Ok");

        } catch (SQLException ex) {

            System.out.println(ex);

        }

        conexion=null;

        return conexion;

    }

}