program java buat koneksi

 Diharpkan udah bikin database di phpmyadmin ok......

package rawat_jalan;
import java.sql.*;
import com.mysql.jdbc.Driver;
import java.util.Properties;

/**
 *
 * @author Arga Prasetya
 */
public class koneksi_db {

public koneksi_db()throws SQLException
{
    buatKoneksi();
}
private Connection sambung;


public Connection buatKoneksi()throws SQLException{
    if(sambung==null){
        new Driver(){
        };

        sambung=DriverManager.getConnection("jdbc:mysql://localhost/rawat_jalan","root","");
    }
    return sambung;
}

    public static void main(String[] args) {
     try{
         koneksi_db k=new koneksi_db();
         System.out.println("sukses!!!!");
     }catch(SQLException e){
         System.out.println("gagal!!!!");
     }
    }
}