Creating Windows - Beginning Java - page 883

// Sketching application
import javax.swing.*;
import java.awt.*;

public class Sketcher {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
createWindow();

}

});

}

public static void createWindow(){
window = new SketcherFrame("Sketcher"); // Create the app

window
Toolkit theKit = window.getToolkit(); // Get the window

toolkit
Dimension wndSize = theKit.getScreenSize(); // Get screen size

// Set the position to screen center & size to half screen size
aWindow.setSize(wndSize.width/2, wndSize.height/2); // Set

window size
aWindow.setLocationRelativeTo(null); // Center

window
aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

window.setVisible(true);

}

private static SketcherFrame window; // The application

window
}

Directory " Sketcher 1 "

Save this file as Sketcher.java in the Sketcher directory. If you compile and run Sketcher , you should
see the window shown in Figure 17-36 .

FIGURE 17-36