Java AWT | GridLayout Class

// Java program to illustrate the GridLayout
import javax.swing.*;
import java.awt.*;

// class GridLayout extends JFrame
public class GridLayoutDemo extends JFrame {

GridLayoutDemo() {

    // Creating Object P1 of JPanel class
    JPanel p1 = new JPanel();

    // set the layout
    p1.setLayout(new GridLayout(4, 2));

    // Creating Object of "FlowLayout" class
    FlowLayout layout = new FlowLayout();

    // Creating Object P2 of JPanel class
    JPanel p2 = new JPanel();

    // set the layout
    p2.setLayout(layout);

    // Declaration of objects of JLabel class.
    JLabel one, two, three, four;

    // Declaration of objects of JTextField class.
    JTextField tname, tsalary, tcode, tdesig;

    // Declaration of objects of JButton class.
    JButton buttonSave, buttonExit;

    // Initialization of object 
    // "one" of JLabel class.
    one = new JLabel("NAME");

    // Initialization of object 
    // "tname" of JTextField class.
    tname = new JTextField(20);

    // Initialization of object
    // "two" of JLabel class.
    two = new JLabel("CODE");

    // Initialization of object 
    // "tcode" of JTextField class.
    tcode = new JTextField(20);

    // Initialization of object
    // "three" of JLabel class.
    three = new JLabel("DESIGNATION");

    // Initialization of object 
    // "tdesig" of JTextField class.
    tdesig = new JTextField(20);

    // Initialization of object
    // "four" of JLabel class.
    four = new JLabel("SALARY");

    // Initialization of object 
    // "tsalary" of JTextField class.
    tsalary = new JTextField(20);

    // Initialization of object
    // "buttonsave" of JButton class.
    buttonSave = new JButton("SAVE");

    // Initialization of object
    // "buttonexit" of JButton class.
    buttonExit = new JButton("EXIT");

    // Adding Jlabel "one" on JFrame.
    p1.add(one);

    // Adding JTextField "tname" on JFrame.
    p1.add(tname);

    // Adding Jlabel "two" on JFrame.
    p1.add(two);

    // Adding JTextField "tcode" on JFrame.
    p1.add(tcode);

    // Adding Jlabel "three" on JFrame.
    p1.add(three);

    // Adding JTextField "tdesig" on JFrame.
    p1.add(tdesig);

    // Adding Jlabel "four" on JFrame.
    p1.add(four);

    // Adding JTextField "tsalary" on JFrame.
    p1.add(tsalary);

    // Adding JButton "buttonsave" on JFrame.
    p2.add(buttonSave);

    // Adding JButton "buttonexit" on JFrame.
    p2.add(buttonExit);

    // add the p1 object which 
    // refer to the Jpanel
    add(p1, "North");

    // add the p2 object which
    // refer to the Jpanel
    add(p2, "South");

    // Function to set visible
    // status of JFrame.
    setVisible(true);

    // this Keyword refers to current
    // object. Function to set size of JFrame.
    this.setSize(400, 180);
}

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

        // calling the constructor
        new GridLayoutDemo();
    }
}

// Java program to illustrate the GridLayout
import java.awt.*;
import javax.swing.*;

// create a class griddemo
public class Griddemo {

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

    // Creating Object of JFrame class 
    // with new name frame
    JFrame frame = new JFrame("GridLayout Demo");

    // Initialization of object 
    // "btn1" of JButton class.
    JButton btn1 = new JButton("Button 1");

    // Initialization of object 
    // "btn2" of JButton class.
    JButton btn2 = new JButton("Button 2");

    // Initialization of object 
    // "btn3" of JButton class.
    JButton btn3 = new JButton("Button 3");

    // Initialization of object
    // "btn4" of JButton class.
    JButton btn4 = new JButton("Button 4");

    // Initialization of object 
    // "btn5" of JButton class.
    JButton btn5 = new JButton("Button 5");

    // Creating Object Panel of JPanel class
    // create grid layout with 3 rows, 
    // 2 columns with horizontal and 
    // vertical gap set to 10
    JPanel panel = new JPanel(new GridLayout(3, 2, 10, 10));

    // Adding JButton "btn1" on JPanel.
    panel.add(btn1);

    // Adding JButton "btn2" on JPanel.
    panel.add(btn2);

    // Adding JButton "btn3" on JPanel.
    panel.add(btn3);

    // Adding JButton "btn4" on JPanel.
    panel.add(btn4);

    // Adding JButton "btn5" on JPanel.
    panel.add(btn5);

    // Function to close the operation of JFrame.
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    // Function to set size of JFrame.
    frame.setSize(300, 150);

    // Function to get the content of JFrame.
    frame.getContentPane().add(panel);

    // Function to set visible status of JFrame.
    frame.setVisible(true);
}
}