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Tip of the Day
Language: Java
Expertise: Beginner
Feb 23, 1999

WEBINAR:

On-Demand

Building the Right Environment to Support AI, Machine Learning and Deep Learning


Center Your Windows

By default, instances of Window subclasses such as Frame and Dialog appear at the upper-left corner of the screen when made visible. For a more user-friendly interface, you can center the component with only a few lines of code:
 
	//  Create an instance of a Frame subclass
	Frame f = new MyAppFrame();
	//  Get default toolkit for system
	Toolkit tk = Toolkit.getDefaultToolkit();
	//  Obtain screen dimensions
	Dimension screenSize = tk.getScreenSize();
	//  Center the Frame instance by setting left and top edges
	f.setLocation((screenSize.width -  f.getSize().width) / 2,
			(screenSize.height - f.getSize().height) / 2);
Brett Spell
 
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