Java awt program for login window


In this program, You will learn how to create a login window using awt in java.


Awt Login id :abc

Awt Password :123

Example: How to create a login window using awt in java.

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.Button;
import java.awt.Frame;
import java.awt.Label;
import java.awt.TextField;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

class Test implements ActionListener {

    Button b1;
    TextField t1, t2;
    Label lb1, lb2, lb3;
    Frame f;

    Test() {
        f = new Frame("Awt Login Window");

        lb1 = new Label("Enter ID :");
        lb1.setBounds(5, 50, 150, 30);
        f.add(lb1);

        t1 = new TextField();
        t1.setBounds(200, 50, 150, 30);
        f.add(t1);

        t2 = new TextField();
        t2.setBounds(200, 80, 150, 30);
        f.add(t2);

        lb2 = new Label("Enter Password :");
        lb2.setBounds(5, 80, 150, 30);
        f.add(lb2);

        lb3 = new Label("Result :");
        lb3.setBounds(90, 140, 150, 30);
        f.add(lb3);

        b1 = new Button("Login");
        b1.setBounds(90, 200, 100, 30);
        f.add(b1);

        b1.addActionListener(this);

        f.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent we) {
                System.exit(0);
            }
        });

        f.setLayout(null);
        f.setSize(600, 500);
        f.setVisible(true);

    }

    public void actionPerformed(ActionEvent e) {

        int c = 0;

        if (e.getSource().equals(b1)) {
            if (t1.getText().equals("abc") && (t2.getText().equals("123"))) {
                lb3.setText(String.valueOf("Success login!"));
            } else {
                lb3.setText(String.valueOf("Invalid login!"));
            }

        }

    }

    public static void main(String args[]) {
        Test t = new Test();
    }
}

Output:

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