JavaFX:使用具有值的自定义类的ObservableMap填充TableView

import javafx.application.Application;
import javafx.beans.property.SimpleObjectProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.collections.ObservableMap;
import javafx.scene.Scene;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.stage.Stage;

public class TableViewExample extends Application {

    public static class Person {
        private final SimpleObjectProperty<String> name;
        private final SimpleObjectProperty<Integer> age;

        public Person(String name, int age) {
            this.name = new SimpleObjectProperty<>(name);
            this.age = new SimpleObjectProperty<>(age);
        }

        public String getName() {
            return name.get();
        }

        public SimpleObjectProperty<String> nameProperty() {
            return name;
        }

        public void setName(String name) {
            this.name.set(name);
        }

        public int getAge() {
            return age.get();
        }

        public SimpleObjectProperty<Integer> ageProperty() {
            return age;
        }

        public void setAge(int age) {
            this.age.set(age);
        }
    }

    @Override
    public void start(Stage primaryStage) {
        TableView<Person> tableView = new TableView<>();

        TableColumn<Person, String> nameColumn = new TableColumn<>("Name");
        nameColumn.setCellValueFactory(new PropertyValueFactory<>("name"));

        TableColumn<Person, Integer> ageColumn = new TableColumn<>("Age");
        ageColumn.setCellValueFactory(new PropertyValueFactory<>("age"));

        tableView.getColumns().addAll(nameColumn, ageColumn);

        ObservableMap<String, Object> data = FXCollections.observableHashMap();
        data.put("John", new Person("John", 25));
        data.put("Jane", new Person("Jane", 30));

        ObservableList<Person> items = FXCollections.observableArrayList(data.values());

        tableView.setItems(items);

        Scene scene = new Scene(tableView);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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