20250112

//import java.awt.*;

//import javax.swing.*;

//

//class Main extends JFrame {

// public Main() {

// Container c = getContentPane();

// setSize(500,300);

// setVisible(true);

//

// c.setLayout(new BorderLayout(5,7));

// c.add(new JButton("Center"), BorderLayout.CENTER);

// c.add(new JButton("North"), BorderLayout.NORTH);

// c.add(new JButton("South"), BorderLayout.SOUTH);

// c.add(new JButton("East"), BorderLayout.EAST);

// c.add(new JButton("West"), BorderLayout.WEST);

// }

// public static void main(String[] args) {

// new Main();

// }

//}

import java.awt.*;

import javax.swing.*;

class Main extends JFrame{

public Main() {

GridLayout grid = new GridLayout(1,10);

grid.setVgap(0);

Container c = getContentPane();

c.setLayout(grid);

Color[] colors = {Color.RED,Color.ORANGE,Color.YELLOW,Color.GREEN,Color.CYAN,Color.BLUE,Color.MAGENTA,Color.DARK_GRAY,Color.PINK,Color.GRAY};

for(int i=0;i<=9;i++) {

JButton b = new JButton(Integer.toString(i));

b.setBackground(colors[i]);

c.add(b);

}

// c.add(new JButton(" 0"));

// c.add(new JButton(" 1"));

// c.add(new JButton(" 2"));

// c.add(new JButton(" 3"));

// c.add(new JButton(" 4"));

// c.add(new JButton(" 5"));

// c.add(new JButton(" 6"));

// c.add(new JButton(" 7"));

// c.add(new JButton(" 8"));

// c.add(new JButton(" 9"));

setSize(500,300);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}