String to Integer

private void handleButtonAction(ActionEvent event) {  
        String Text = Edit1.getText();
        Integer d = Integer.parseInt(Text);
        d += 10;
        Memo2.setText(d.toString());
    }

   private Label label;
    public Label Label1;
    public Label Label2;
    public TextField Edit1;
    public TextArea Memo1;
    public TextArea Memo2;

Example 8-1 Creating a Text Field
 
Label label1 = new Label("Name:");
TextField textField = new TextField ();
HBox hb = new HBox();
hb.getChildren().addAll(label1, textField);
hb.setSpacing(10);

Edit1 = new TextField ()

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
 
package javafxapplication5;
 
 
import java.io.BufferedReader;
import java.io.IOException;
import java.net.URL;
import java.util.ResourceBundle;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import java.io.FileReader;
 
/**
 *
 * @author Сергей
 */
public class FXMLDocumentController implements Initializable {
    
    @FXML
    private Label label;
    public Label Label1;
    public Label Label2;
    public TextField Edit1;
    public TextArea Memo1;
    public TextArea Memo2;
    
    @FXML
    private void handleButtonAction(ActionEvent event) {   
        
        String Text = Edit1.getText();
        Integer d = Integer.parseInt(Text);
        d += 10;
        Memo2.setText(d.toString());
    }
    
    @Override
    public void initialize(URL url, ResourceBundle rb) {
        // TODO
    }    
    
}