Java Swing Program to demonstrate JButton with Text and Icon

Program

import javax.swing.*;
public class JButtonTextIconDemo
{
    public static void main(String[] args)
    {
        JFrame frm = new JFrame("JButton Demo");
        JButton btnSubmit;
        ImageIcon icoSubmit;
        icoSubmit = new ImageIcon("login.png");        
        btnSubmit = new JButton();
        btnSubmit.setText("Login");
        btnSubmit.setIcon(icoSubmit);
        btnSubmit.setBounds(0, 0, 100, 50);
        frm.add(btnSubmit);
        frm.setSize(300, 300);
        frm.setLayout(null);
        frm.setVisible(true);
        frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
}

This Java Swing program demonstrates how to create a JButton that combines both text and an icon. The button will display a label with the text "Login" alongside an image icon (in this case, "login.png"). This type of button is useful for providing both visual and textual cues to the user in a graphical user interface.

1. Imports:

   • The program imports the javax.swing.* package to access the Swing components like JFrame, JButton, and ImageIcon.

2. Creating the JFrame:

   • JFrame frm = new JFrame("JButton Demo"): Creates a window (frame) with the title "JButton Demo".
   • frm.setSize(300, 300): Sets the window size to 300x300 pixels.
   • frm.setLayout(null): Disables the default layout manager, allowing manual positioning of the components within the frame.
   • frm.setVisible(true): Makes the window visible when the program is executed.
   • frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE): Ensures that the program terminates when the window is closed.

3. Creating the JButton with Text and Icon:

   • ImageIcon icoSubmit = new ImageIcon("login.png");: Creates an ImageIcon from the file "login.png". This image should exist in the directory where the program is running.
   • btnSubmit = new JButton();: Creates an empty JButton object.
   • btnSubmit.setText("Login");: Sets the text of the button to "Login".
   • btnSubmit.setIcon(icoSubmit);: Sets the icon of the button to the previously created ImageIcon (the image "login.png").
   • btnSubmit.setBounds(0, 0, 100, 50);: Sets the position and size of the button within the frame. The button is placed at coordinates (0, 0) and has a width of 100 pixels and a height of 50 pixels.

4. Adding the JButton to the JFrame:

   • frm.add(btnSubmit);: Adds the button to the frame so that it will be displayed when the program runs.

5. Key Swing Methods Used:

   • ImageIcon("imagePath"): Creates an ImageIcon from the specified file path (in this case, "login.png"). The image file must be located in the program's working directory or the specified path.
   • JButton(): Creates an empty button that can later be customized with text and icons.
   • setText(String text): Sets the text that appears on the button. In this case, it will display "Login".
   • setIcon(Icon icon): Sets the icon (image) displayed on the button. The image used is from the "login.png" file.
   • setBounds(x, y, width, height): Specifies the position and size of the button in the window. It is placed at (0, 0) and has dimensions of 100x50 pixels.
   • add(Component component): Adds the button to the JFrame so that it can be displayed in the graphical user interface.

Output