/* 

import javax.swing.*;
import java.awt.event.*;


public class VerifButton implements ActionListener  {

    private int GRID_SIZE;
    private JTextField[][] grid;

    public VerifButton(int GRID_SIZE, JTextField[][] grid) {

	this.GRID_SIZE = GRID_SIZE;

	this.grid = grid;

    }

    @Override

    public void actionPerformed(ActionEvent e) {

	GrilleValide();

    }
}


    public void GrilleValide()  {

	int comparateur;
	int evaluant;
	boolean valide = true;
	int[] list_region;

	for (int i = 0; i < this.GRID_SIZE; i++) {
	    for(int j = 0; j < this.GRID_SIZE; j++) {

		if (!grid[i][j].getText().isEmpty()) {

		    evaluant = Integer.parseInt(grid[i][j].getText());

	       
		    // test de validité sur les lignes
		    for (int x = i+1; x < this.GRID_SIZE; x++)  {

			if (grid[x][j].getText().isEmpty()) {
			    
			    comparateur = 0;
			}else{

			    comparateur = Integer.parseInt(grid[x][j].getText());
			}
		    
			if (evaluant == comparateur) {
			    
			    System.out.println("grille invalide2");
			    
			}
		    }
		    for (int x = i-1; x >= 0; x--)  {
			
			if (grid[x][j].getText().isEmpty()) {

			    comparateur = 0;
			}else{
			    
			    comparateur = Integer.parseInt(grid[x][j].getText());
			}
			
			if (evaluant == comparateur) {
			    
			    System.out.println("grille invalide1");
			}
		    }
		    
		    //test de validité sur les colonnes
		    for (int x = j+1; x < this.GRID_SIZE; x++)  {
			
			if (grid[i][x].getText().isEmpty()) {
			    
			    comparateur = 0;
			}else{
			    
			    comparateur = Integer.parseInt(grid[i][x].getText());
			}
			
			if (evaluant == comparateur) {
			    
			    System.out.println("grille invalide");
			}
		    }
		    for (int x = j-1; x >= 0; x--)  {
			
			if (grid[i][x].getText().isEmpty()) {
			    
			    comparateur = 0;
			}else{
			    
			    comparateur = Integer.parseInt(grid[i][x].getText());
			}
			
			if (evaluant == comparateur) {
			    
			    System.out.println("grille invalide");
			}
		    }
		    
		    //test de validité sur la région

		    if ( i < 3) {

			if ( j < 3) {

			for (int v = 0; v < 3; v++) {
			    for (int w = 0; w < 3; w++) {

				if (!grid[v][w].getText().isEmpty()) {

				    list_region.add(grid[v][w].getText().isEmpty());

				}
			    }
			}

			
					

					
		    
		}    
	    }
	}
    }
}
	}
    
	 */