// Java JFrame (Main Window) Testing.
// Written by Techyon (Suphakorn Suttiruang)

import javax.swing.*; // Import JFrame important components.

import java.awt.*; // Java graphic components.

public class JFrameTest {

	private JFrame frame; 		// Create frame variable.
	private JPanel panel;		// Create panel variable.
	private JButton button1; 	// Create button1 variable.
	private JLabel label1; 		// Create label variable.

	public JFrameTest() {

		gui(); // Use gui() Method

		// Get the size of the screen
	    Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();

	    // Determine the new location of the window
	    int w = frame.getSize().width;
	    int h = frame.getSize().height;
	    int x = (dim.width-w)/2;
	    int y = (dim.height-h)/2;

	    // Move the window
	    frame.setLocation(x, y);

	}

	public void gui() { // Declare gui() Method.

		frame = new JFrame("JFrame Testing @Techyon"); // Frame title.
		frame.setVisible(true); // Set the frame to be visible.
		frame.setSize(500, 400); // Set the size of the frame.
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // If the frame closes, so does the program.

		panel = new JPanel(); // Declare JPanel.

		button1 = new JButton("Launch"); // Declare JButton.e
		button1.setVisible(false);

		label1 = new JLabel("Here's the label."); // Declare JLabel.
		label1.setForeground(Color.DARK_GRAY);

		panel.add(button1); // Add button1 to the panel.
		panel.add(label1); // Add label1 to the panel.

		frame.add(panel,BorderLayout.NORTH); // Add panel to the frame.
		frame.setResizable(false);
	}

	public static void main(String[] args) {

		new JFrameTest();

	}

}