LoginWindow.java

package testinggui;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.BorderLayout;
import java.awt.Color;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.DefaultComboBoxModel;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JCheckBox;
import javax.swing.JToggleButton;

public class LoginWindow {

	private JFrame frame;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					LoginWindow window = new LoginWindow();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public LoginWindow() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		frame = new JFrame();
		frame.setBounds(100, 100, 450, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);
		
		JComboBox comboBox = new JComboBox();
		comboBox.setModel(new DefaultComboBoxModel(new String[] {"Male", "Female", "Others"}));
		comboBox.setSelectedIndex(2);
		comboBox.setBounds(59, 45, 108, 21);
		frame.getContentPane().add(comboBox);
		
		JLabel lblFeedback = new JLabel("");
		
		JButton btnClickMe = new JButton("Click Me");
		btnClickMe.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				int getIndexValue = comboBox.getSelectedIndex();
				String getValueOfComboBox = comboBox.getSelectedItem().toString();
				lblFeedback.setText(getValueOfComboBox + " index value is " + getIndexValue);
			}
		});
		btnClickMe.setBounds(276, 130, 85, 21);
		frame.getContentPane().add(btnClickMe);
		
		
		lblFeedback.setBounds(167, 214, 237, 13);
		frame.getContentPane().add(lblFeedback);
		
		JCheckBox chckbxClickOnMe = new JCheckBox("Click on me");
		chckbxClickOnMe.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if(chckbxClickOnMe.isSelected()) {
					lblFeedback.setText("Clicked");
				} else {
					lblFeedback.setText("Yet to click");
				}
				
			}
		});
		chckbxClickOnMe.setBounds(49, 113, 95, 21);
		frame.getContentPane().add(chckbxClickOnMe);
		
		JToggleButton tglbtnNewToggleButton = new JToggleButton("New toggle button");
		tglbtnNewToggleButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				
				if(tglbtnNewToggleButton.isSelected()) {
					tglbtnNewToggleButton.setText("Go offline");
					lblFeedback.setText("You are online");
					lblFeedback.setForeground(Color.GREEN);
				} else {
					tglbtnNewToggleButton.setText("Go online");
					lblFeedback.setText("You are offline");
					lblFeedback.setForeground(Color.RED);
				}
				
			}
		});
		tglbtnNewToggleButton.setBounds(50, 189, 117, 21);
		frame.getContentPane().add(tglbtnNewToggleButton);
	}
}