dúvida Stage JAVAFX

Amigos para abrir um Stage estou fazendo da seguinte… é claro não sei ainda esta correto:

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Button {

text: “Abrir Stage”

layoutX:180

layoutY:50

action: function() {

javafxapplication1.tela2.t2;   


    }

Button {
                        text: "Abrir Stage"
                        layoutX:180
                        layoutY:50
                        action: function() {


                            javafxapplication1.tela2.t2;


                        }
                }
                }

e na 2 tela o código

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package javafxapplication1;

import javafx.scene.<em>;

import javafx.scene.input.MouseEvent;

import javafx.scene.paint.</em>;

import javafx.scene.shape.<em>;

import javafx.scene.text.</em>;

import javafx.stage.*;

import javafx.scene.control.Button;

public def t2: Stage = Stage {

title: “Fechar”

width : 300 height : 200

//style: StageStyle.TRANSPARENT

//opacity: 0.5

scene : Scene {

content: [

Button {

layoutX:50

layoutY:50

text: "Button"   
                        action: function() {   
                           t2.close();   
                        }   
                }   

               
        ]   
}

}

package javafxapplication1;

import javafx.scene.<em>;

import javafx.scene.input.MouseEvent;

import javafx.scene.paint.</em>;

import javafx.scene.shape.<em>;

import javafx.scene.text.</em>;

import javafx.stage.*;

import javafx.scene.control.Button;

public def t2: Stage = Stage {

title: “Fechar”

width : 300 height : 200

//style: StageStyle.TRANSPARENT

//opacity: 0.5

scene : Scene {

content: [

Button {

layoutX:50

layoutY:50

text: "Button"
                        action: function() {
                           t2.close();
                        }
                }

            
        ]
}