dbconnection

package projetobd;
import java.sql.*;

//conexão à base de dados
public class DBConnection
{
    private Connection con;
    private Statement st;
    private ResultSet rs;

    public Connection DatabaseConnection() throws SQLException, ClassNotFoundException
    {
            Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
            String url="jdbc:sqlserver://localhost:1433;databaseName=ProjectoBD;user=sa;password=segredo;";
            con=DriverManager.getConnection(url);
            return con;
    }

    public void getData()
    {
        try
        {
            String query = "SELECT * FROM Paciente";
            rs = st.executeQuery(query);
            System.out.println("Records:");
            while(rs.next())
            {
                String nome = rs.getString("nome");
                System.out.println("Nome: "+nome);
            }
        }
        catch(Exception e)
        {
            System.out.println(e);
        }
    }
}