JFrame fullscreen

Source code below will show you, how to set JFrame to full screen follow to current computer screen

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COMPLETE SOURCE CODE FOR : FullScreenJFrame.java
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import javax.swing.JFrame;

import java.awt.Toolkit;

public class FullScreenJFrame
{
public static void main(String[]args)
{
 //Create a JFrame with title ( Full Screen JFrame )
 JFrame frame=new JFrame("Full Screen JFrame");

 //Set default close operation for JFrame
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 //Set JFrame size to full screen size follow current screen size
 frame.setSize(Toolkit.getDefaultToolkit().getScreenSize().width,Toolkit.getDefaultToolkit().getScreenSize().height);

 //Make JFrame visible
 frame.setVisible(true);
}
}

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JUST COMPILE AND EXECUTE IT
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