package application;

import javafx.application.Application;
import javafx.geometry.Pos;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.control.RadioButton;
import javafx.scene.control.ToggleGroup;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Pane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Rectangle;

public class Main extends Application {
	@Override
	public void start(Stage primaryStage) {
		GridPane p=new GridPane();
		for(int i=0;i<8;i++) {
			for(int j=0;j<8;j++) {
				Rectangle r=new Rectangle(20,20);
				if((i+j) %2!=0) {
					r.setFill(Color.BLACK);
					p.add(r,j,i);
				}
			}
		}
		Scene s=new Scene(p,120,120);
		primaryStage.setScene(s);
		primaryStage.show();
	}
	
	public static void main(String[] args) {
		launch(args);
	}
}