JFXComboBox Material Design (Java FX)
https://mvnrepository.com/artifact/my...
http://jfoenix.com/
Database
import java.sql.Connection;
import java.sql.DriverManager;
Metodos
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import com.jfoenix.controls.JFXComboBox;
import java.util.ArrayList;
import java.util.List;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;