mio

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class DB {

private static DB instance = new DB();
public static final String URL = "jdbc:mysql://127.0.0.1:3306/user";
public static final String USER = "root";
public static final String PASSWORD = "";
public static final String DRIVER_CLASS = "com.mysql.jdbc.Driver";

public DB() {
try {
            Class.forName(DRIVER_CLASS);
        }
catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
    }
public Connection createConnection() {
        Connection connection = null;

        try {
          connection = DriverManager.getConnection(URL, USER, PASSWORD);
        } catch (SQLException e) {
            System.out.println("ERROR: Unable to Connect to Database.");
        }
        return connection;
    }

    public static Connection getConnection() {
        return instance.createConnection();
    }

    public void scrivi(String user,String pass,String email) throws SQLException
    {
    Connection connection = null;
        Statement statement = null;
        try {
            connection = DB.getConnection();
            statement = connection.createStatement();
            statement.executeUpdate("INSERT into Users (user,password,email) values('"+user+"','"+pass+"','"+email+"')");


        } finally {
            if (connection != null) {
                try {
                    connection.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
    }


}