Java tutorial
import java.awt.BorderLayout; import java.awt.GridLayout; import java.awt.image.BufferedImage; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; public class Main { public static void main(String[] args) { JPanel gui = new JPanel(new BorderLayout(2, 2)); BufferedImage bi = new BufferedImage(600, 200, BufferedImage.TYPE_INT_RGB); gui.add(new JLabel(new ImageIcon(bi))); JFrame myframe = new JFrame(); JPanel myPanel = new JPanel(); gui.add(myPanel, BorderLayout.PAGE_END); myPanel.setLayout(new GridLayout(2, 0, 0, 0)); int x = 0; int y = 5; for (char alphabet = 'A'; alphabet <= 'Z'; alphabet++) { myPanel.add(new JButton(alphabet + "")); x++; if (x > 15) { y = 6; x = 0; } } myframe.add(gui); myframe.pack(); myframe.setVisible(true); myframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } }