JAVA Program using Swing to Design Login Form

JAVA Program using Swing to Design Login Form:


import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

public class SwingFirstLogin {

    public static void main(String[] args) {
        // Creating instance of JFrame
        JFrame frame = new JFrame("My First Swing Example");
        // Setting the width and height of frame
        frame.setSize(350, 200);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        /* Creating panel. This is same as a div tag in HTML
         * We can create several panels and add them to specific
         * positions in a JFrame. Inside panels we can add text
         * fields, buttons and other components.
         */
        JPanel panel = new JPanel();
        // adding panel to frame
        frame.add(panel);
        /* calling user defined method for adding components
         * to the panel.
         */
        placeComponents(panel);

        // Setting the frame visibility to true
        frame.setVisible(true);
    }

    private static void placeComponents(JPanel panel) {

        /* We will discuss about layouts in the later sections
         * of this tutorial. For now we are setting the layout
         * to null
         */

        panel.setLayout(null);

        // Creating JLabel

        JLabel userLabel = new JLabel("User");

        /* This method specifies the location and size
     * of component. setBounds(x, y, width, height)
     * here (x,y) are cordinates from the top left
     * corner and remaining two arguments are the width
     * and height of the component.
     */

        userLabel.setBounds(10,20,80,25);
        panel.add(userLabel);

    /* Creating text field where user is supposed to
     * enter user name.
     */

        JTextField userText = new JTextField(20);
        userText.setBounds(100,20,165,25);
        panel.add(userText);

        // Same process for password label and text field.

        JLabel passwordLabel = new JLabel("Password");
        passwordLabel.setBounds(10,50,80,25);
        panel.add(passwordLabel);

    /*This is similar to text field but it hides the user
         * entered data and displays dots instead to protect
     * the password like we normally see on login screens.
         */

        JPasswordField passwordText = new JPasswordField(20);
        passwordText.setBounds(100,50,165,25);
        panel.add(passwordText);

         // Creating login button

        JButton loginButton = new JButton("login");
        loginButton.setBounds(10, 80, 80, 25);
        panel.add(loginButton);
    }

}

OUTPUT:

JAVA Program using Swing to Design Login Form

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