How to use GridLayout in Java using Swing ?.

A Simple Java Program demonstrating a way to use GridLayout layout using Swing API.

package com.hubberspot.swing.example;

import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;

public class GridLayoutDemo extends JFrame {
  public GridLayoutDemo() {
    setLayout(new GridLayout(4,3));
    for(int i = 0; i < 10; i++){
      JTextField textfield= new JTextField();
      textfield.setEditable(false);
      textfield.setText("TextField " + (i));
      add(textfield);
    }
  }
  public static void main(String[] args) {
    setFrame(new GridLayoutDemo(), 300, 200);
  }

  public static void 
  setFrame(final JFrame frame, final int width, final int height) {
    SwingUtilities.invokeLater(new Runnable() {
      public void run() {
 frame.setTitle(frame.getClass().getSimpleName());
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 frame.setSize(width, height);
 frame.setVisible(true);
      }
    });
  }
} 

Output of the program :