A Zip code to City/State Translator Database GUI

/*
 * Name: Lu Liu
 * Date: 5/10/2016
 * Course Number: CSC-112
 * Course Name: Intermediate Topics in Java Programming
 * Email: lliu0001@student.stcc.edu
 *
 * Assignment: HW # 17
 * Programe Description:
 * A Zip code to City/State Translator Database GUI
 */
import java.util.Scanner;
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Line;
import javafx.stage.Stage;

public class ZipCodeTranslationGUI extends Application {
    public void start(Stage primaryStage) {
        // Create pane to hold the label and text field
        HBox hBox = new HBox(10);
        TextField tfZipCode = new TextField();
        tfZipCode.setAlignment(Pos.CENTER_LEFT);
        TextField tfCITY = new TextField();
        tfCITY.setAlignment(Pos.CENTER_LEFT);
        TextField tfSTATE = new TextField();
        tfSTATE.setAlignment(Pos.CENTER_LEFT);
        Button bnToCity = new Button("Zip to City");
        hBox.setPadding(new Insets(5, 15, 25, 5));
        hBox.getChildren().addAll(new Label("Zip Code:"), tfZipCode, bnToCity, new Label("City:"), tfCITY,
                new Label("State:"), tfSTATE);

        HBox hBox2 = new HBox(10);
        hBox2.setPadding(new Insets(5, 15, 25, 5));
        TextField tfCity = new TextField();
        tfCity.setAlignment(Pos.CENTER_LEFT);
        TextField tfState = new TextField();
        tfState.setAlignment(Pos.CENTER_LEFT);
        Button bnToZip = new Button("City to Zip");
        TextArea ta = new TextArea();
        ta.setMaxSize(130, 130);
        ta.setText("Zip Codes");
        hBox2.getChildren().addAll(new Label("City:"), tfCity, new Label("State:"), tfState, bnToZip, ta);
        Line line1 = new Line(10, 10, 750, 10);
        line1.setStrokeWidth(3);
        line1.setStroke(Color.WHITE);
        BorderPane centerPane = new BorderPane();
        centerPane.setTop(line1);
        centerPane.setCenter(hBox2);

        HBox hBox3 = new HBox(10);
        hBox3.setPadding(new Insets(5, 15, 25, 80));
        TextField tfStatus = new TextField();
        tfStatus.setMinSize(510, 20);
        tfStatus.setAlignment(Pos.CENTER);
        hBox3.getChildren().addAll(new Label("Status:"), tfStatus);
        Line line2 = new Line(10, 200, 750, 200);
        line2.setStrokeWidth(3);
        line2.setStroke(Color.WHITE);
        BorderPane bottomPane = new BorderPane();
        bottomPane.setCenter(hBox3);
        bottomPane.setTop(line2);

        // Create pane to hold the panefor all
        BorderPane mainPane = new BorderPane();
        mainPane.setPadding(new Insets(25, 5, 5, 5));
        mainPane.setStyle("-fx-background-color: #D3D3D3;");
        mainPane.setTop(hBox);
        mainPane.setCenter(centerPane);
        mainPane.setBottom(bottomPane);

        // catch the invalid input
        bnToCity.setOnAction(e -> {
            try {
                int zipCode = Integer.parseInt(tfZipCode.getText());
                if (tfZipCode.getText().length() == 5) {
                    tfStatus.setText("Valid Zip Code");
                } else {
                    tfStatus.setText("The ZIP Code must be 5 digits integer");
                }
            } catch (Exception ex) {
                tfStatus.setText("The ZIP Code must be 5 digits integer");
            }
            // bnToCity.fire();
        });

        // Create a scene and place it in the stage
        Scene scene = new Scene(mainPane, 760, 300);
        primaryStage.setTitle("Zip Code Translation System"); // Set the stage
        primaryStage.setScene(scene); // Place the scene in the stage
        primaryStage.show(); // Display the stage

    }

    public static void main(String[] args) {
        launch(args);
    }
}