Question

How would you write this using Java: Use a TextField's setText method to set value 0 or 1 as a string?

Answer 1

Answer:

Explanation:

The following Java code uses JavaFX to create a canvas in order to fit the 10x10 matrix and then automatically and randomly populates it with 0's and 1's using the setText method to set the values as a String

import javafx.application.Application;

import javafx.scene.Scene;

import javafx.scene.control.TextField;

import javafx.scene.layout.GridPane;

import javafx.stage.Stage;

public class Main extends Application {

   private static final int canvasHEIGHT = 300;

   private static final int canvasWIDTH = 300;

   public void start(Stage primaryStage) {

       GridPane pane = new GridPane();

       for (int i = 0; i < 10; i++) {

           for (int j = 0; j < 10; j++) {

               TextField text = new TextField();

               text.setText(Integer.toString((int)(Math.random() * 2)));

               text.setMinWidth(canvasWIDTH / 10.0);

               text.setMaxWidth(canvasWIDTH / 10.0);

               text.setMinHeight(canvasHEIGHT / 10.0);

               text.setMaxHeight(canvasHEIGHT / 10.0);

               pane.add(text, j, i);

           }

       }

       Scene scene = new Scene(pane, canvasWIDTH, canvasHEIGHT);

       primaryStage.setScene(scene);

       primaryStage.setMinWidth(canvasWIDTH);

       primaryStage.setMinHeight(canvasHEIGHT);

       primaryStage.setTitle("10 by 10 matrix");

       primaryStage.show();

   }

   public static void main(String[] args) {

       Application.launch(args);

   }

}