I would like to display the text that i've made on the following sentence

_TextBoxes[0] = new TextBox("Test", 200, 200); // First textbox placed on X,Y(200,200) with the text "Test"

in the class textbox into void display. How can I do this?
Thank you for helping!
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Screen screen1, screen2;
 Image[] _Images;
 ImageButton[] _ImageButtons;
 TextBox[] _TextBoxes;
 TextBoxButton[] _TextBoxButtons;
 String _Sound;

Screen current_screen;
 
void setup()
{
 size(800,600);
 smooth();
 background(255);
 /* ------------------------------Edit from here---------------------*/
 
 // Images for screen 1
 _Images = new Image[2]; // 2: How many Images are used in this screen
 _Images[0] = new Image("image1.jpg", 0, 0); // First image for screen 1 is image1.jpg placed on 0 pixels X and 0 pixels Y
 _Images[1] = new Image("image2.jpg", 100, 100);
 // ImageButtons for screen 1
 _ImageButtons = new ImageButton[1]; // 1: How many ImageButtons are used in this screen
 _ImageButtons[0] = new ImageButton("image1.jpg", 0, 0, screen2); // First image links to screen 2 (doesn't work YET)
 // Textboxes for screen 1
 _TextBoxes = new TextBox[1];
 _TextBoxes[0] = new TextBox("Test", 200, 200); // First textbox placed on X,Y(200,200) with the text "Test"
 // TextboxButtons for screen 1
 _TextBoxButtons = new TextBoxButton[1];
 _TextBoxButtons[0] = new TextBoxButton("TestLink", 300, 300, screen2);
 // Set sound for screen 1
 _Sound = "sound.mp3";
 
 // Finally Set Screen 1
 screen1 = new Screen(_Images, _ImageButtons, _TextBoxes, _TextBoxButtons, _Sound);
 
 /* ----------------------------Do not edit from here--------------*/
 
 current_screen = screen1;
}
void draw()
{
 DisplayScreen();
}

class Screen
{
 Image[] Images;

 Screen(Image[] _Images, ImageButton[] _ImageButtons, TextBox[] _TextBoxes, TextBoxButton[] _TextBoxButtons, String _Sound)
 {
    Images = _Images;
 }
 void set()
 {
   
 }
 void display()
 {
    for(int i=0; i < Images.length; i++){
      Images[i].display();
    }
 }
}
class Image
{
 int x, y;
 String file;
 Image(String ifile, int ix, int iy) {
   x = ix;
   y = iy;
   file = ifile;
 }
 void display() {
   PImage loadimage = loadImage("Images/" + file);
   image(loadimage, x, y);
 }
 
}
class ImageButton
{
 int x, y;
 String file;

 Screen screen;
 
 ImageButton(String _file, int _x, int _y, Screen _screen) {
   x = _x;
   y = _y;
   file = _file;
   screen = _screen;
 }
 void display() {
   PImage loadimage = loadImage("Images/" + file);
   image(loadimage, x, y);
 }
 // void to link Button to Screen
}
class TextBox
{
 int x, y;
 String text;
 
 TextBox(String _text, int _x, int _y) {
   x = _x;
   y = _y;
   text = _text;
 }
 void display() {
   // code to display textbox
 }
}
class TextBoxButton
{
 int x, y;
 String text;
 Screen screen;
 
 TextBoxButton(String _text, int _x, int _y, Screen _screen) {
   x = _x;
   y = _y;
   text = _text;
   screen = _screen;
 }
 void display() {
   // code to display textbox
 }
 // void to link Button to Screen
}
void DisplayScreen(){
 current_screen.display();
}






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