Database

import java.sql.*;

public class Main {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Connection connect;

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

            String serverName = "localhost",
                    databaseName = "it-learning",
                    url  = "jdbc:mysql://" + serverName + "/" + databaseName,
                    user = "root",
                    password = "";

            connect = DriverManager.getConnection(url, user, password);
            String query = "SELECT * FROM courses";
            Statement statement = connect.createStatement();
            ResultSet set = statement.executeQuery(query);

            while (set.next()) {
                System.out.println(set.getString("icon"));
            }

            connect.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}