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Jun 18th, 2019
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  1. //Ventana principal
  2. public class Ventana1 extends JFrame{
  3.  
  4. ArrayList<Object> elementos = new ArrayList<Object>();
  5.  
  6. //Evento que lanza la ventana con el formulario
  7. private void btnFormularioActionPerformed(ActionEvent ev){
  8. Ventana2 ventana2 = new Ventana2(this);
  9. ventana2.setVisible(true);
  10. }
  11.  
  12. //Accede al array list
  13. public ArrayList<Object> getArrayList(){
  14. return elementos;
  15. }
  16. }
  17.  
  18. //Ventana de formulario
  19. public class Ventana2 extends JFrame{
  20.  
  21. private Ventana1 v1;
  22.  
  23. //Recibe por parametro la JFrame padre
  24. public Ventana2(Veenata1 parent){
  25. this.v1 = parent;
  26. }
  27. //Crea objeto con los campos relleno
  28. public Object getObject(){
  29. return new Object(txtField1.getText(), txtField2.getText(), ...);
  30. }
  31. //Evento que añade el objeto creado o datos al arraylist de la ventana 1
  32. private void btnGuardarActionPerformed(ActionEvent ev){
  33. v1.getArrayList().add(getObject());
  34. }
  35. }
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