Example use of JavaBeanPropertyAdapters. Select a row, or rows, and then press "Increment"

Main.java

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.Random;
import java.util.stream.Collectors;
import java.util.stream.IntStream;

import javafx.application.Application;
import javafx.beans.property.adapter.JavaBeanIntegerProperty;
import javafx.beans.property.adapter.JavaBeanIntegerPropertyBuilder;
import javafx.beans.property.adapter.JavaBeanStringPropertyBuilder;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.TableColumn.CellDataFeatures;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.util.Callback;


public class Main extends Application {
	@Override
	public void start(Stage primaryStage) {
		try {
			BorderPane root = new BorderPane();
			
			final TableView<Item> table = new TableView<>();
			TableColumn<Item, String> nameCol = new TableColumn<>("Name");
			TableColumn<Item, Number> valueCol = new TableColumn<>("Value");
			
			nameCol.setCellValueFactory(new Callback<TableColumn.CellDataFeatures<Item,String>, ObservableValue<String>>() {
				
				@Override
				public ObservableValue<String> call(CellDataFeatures<Item, String> data) {
					try {
						return new JavaBeanStringPropertyBuilder().bean(data.getValue()).name("name").build();
					} catch (Exception e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
						throw new RuntimeException(e);
					}
				}
			});
			
			valueCol.setCellValueFactory(new Callback<TableColumn.CellDataFeatures<Item,Number>, ObservableValue<Number>>() {

				@Override
				public ObservableValue<Number> call(CellDataFeatures<Item, Number> data) {
					try {
						final JavaBeanIntegerProperty valueProperty = new JavaBeanIntegerPropertyBuilder().bean(data.getValue()).name("value").build();
						return valueProperty;
					} catch (Exception e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
						throw new RuntimeException(e);
					}
				}
			});  
			
			table.getColumns().addAll(nameCol, valueCol);
			
			Random rng = new Random();
			for (int i=1; i<=20; i++) {
				table.getItems().add(new Item("Item "+i, rng.nextInt(50)));
			}
			
			
			Button incrementButton = new Button("Increment");
			incrementButton.setOnAction(new EventHandler<ActionEvent>() {
				
				@Override
				public void handle(ActionEvent event) {
					for (Item item : table.getSelectionModel().getSelectedItems()) {
						item.setValue(item.getValue() + 1);
					}
				}
			});   
			
			Button showDataButton = new Button("Show data");
			showDataButton.setOnAction(new EventHandler<ActionEvent>() {

				@Override
				public void handle(ActionEvent event) {
					for (Item item : table.getItems()) {
						System.out.println(item);
					}
				}
			});  
			
			HBox controls = new HBox(5);
			controls.getChildren().addAll(incrementButton, showDataButton);
			controls.setPadding(new Insets(10));
			controls.setAlignment(Pos.CENTER);
			
			root.setCenter(table);
			root.setBottom(controls);
			
			
			Scene scene = new Scene(root,600,400);

			primaryStage.setScene(scene);
			primaryStage.show();
		} catch(Exception e) {
			e.printStackTrace();
		}
	}
	
	public class Item {
		private String name ;
		private int value ;
		
		private final PropertyChangeSupport propertySupport ;
		
		public Item(String name, int value) {
			this.name = name;
			this.value = value;
			
			this.propertySupport = new PropertyChangeSupport(this);
		}
		public String getName() {
			return name;
		}
		public void setName(String name) {
			String oldName = this.name ;
			this.name = name;
			propertySupport.firePropertyChange("name", oldName, name);
		}
		public int getValue() {
			return value;
		}
		public void setValue(int value) {
			int oldValue = this.value ;
			this.value = value;
			propertySupport.firePropertyChange("value", oldValue, value);
		}

		
		public void addPropertyChangeListener(PropertyChangeListener listener) {
			propertySupport.addPropertyChangeListener(listener);
		}
		
		@Override
		public String toString() {
			return name +": "+value ;
		}
		
	}
	
	public static void main(String[] args) {
		launch(args);
	}
}