package Class.c7; import java.awt.Dimension; import java.awt.Frame; import java.awt.Toolkit; public class CenterFrameDemo { public static void main(String[] args) { Toolkit tk =Toolkit.getDefaultToolkit(); Dimension ScreenSize = tk.getScreenSize(); int width = (int)ScreenSize.getWidth()/2; int hight = (int)ScreenSize.getHeight()/2; int x = width/2; int y = hight/2; Frame f = new Frame(); f.setTitle("CenterFrame"); f.setSize(width, hight); f.setLocation(x, y); f.setVisible(true); } }