JAVA

GridLayout

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.GridLayout;
/*ww  w  . j a v  a2 s  .co m*/
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main {
  public static void main(String[] args) {
    JFrame frame = new JFrame("GridLayout");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    JPanel buttonPanel = new JPanel();
    buttonPanel.setLayout(new GridLayout(3, 0));

    for (int i = 1; i <= 9; i++) {
      buttonPanel.add(new JButton("Button  " + i));
    }

    contentPane.add(buttonPanel, BorderLayout.CENTER);
    frame.pack();
    frame.setVisible(true);
  }
}

GridLayout

GridLayout()
GridLayout(int rows,   int cols)
GridLayout(int rows,   int cols, int hgap,   int  vgap)