Creating Rows of Buttons : GridLayout « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. GridLayout

import java.awt.Container;
import java.awt.GridLayout;

import javax.swing.JButton;
import javax.swing.JFrame;

public class GridTest extends JFrame {

  public static void main(String[] args) {
    int rows = 2;
    int cols = 3;
    GridTest gt = new GridTest(rows, cols);
    gt.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    gt.pack();
    gt.setVisible(true);
  }

  public GridTest(int rows, int cols) {
    Container pane = getContentPane();
    pane.setLayout(new GridLayout(rows, cols));
    for (int i = 0; i < 20; i++) {
      JButton button = new JButton(Integer.toString(i + 1));
      pane.add(button);
    }
  }

}

14.90.GridLayout
	14.90.1.	Laying Out Components in a Grid
	14.90.2.	How to Use GridLayout
	14.90.3.	Sample GridLayout Application
	14.90.4.	Creating Rows of Buttons
	14.90.5.	Uses a 2-column grid.
	14.90.6.	Use a 1x1 grid to make a component as large as possible
	14.90.7.	Using a GridLayout Manager