Java Frame Desktop Position

Java Frame Desktop Position


By default the frame, you create, is placed on the left top corner of the monitor by JVM. But you can dictate the position. In the following program, the frame is positioned in the center of the monitor. The task here is, you must get the screen (monitor) size and your frame size dynamically throuh the program. Once you get these, with setLocation() method, the fame can be positioned on the display screen where you would like.

Example on Java Frame Desktop Position

The following program positions the frame in the center of the monitor.

Earlier, we used Toolkit class to know the font list supported by Java. The same java.awt.Toolkit is used here to get the monitor size in pixels. The getScreenSize() method of Toolkit returns a java.awt.Dimension object that embeds the width and height of the monitor. The getSize() method of Frame class (inherited from its super class java.awt.Component) returns the size of the frame as a Demension object. width and heght are the variables of Dimension class that returns the width and height of the component.

Dimension frameSize = getSize();

The above statement can be replaced with the following.

Rectangle frameSize = getBounds();

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