package com.text1; import java.awt.Component; import java.awt.GraphicsEnvironment; import java.awt.Rectangle; public class GUIUtil { public static void toCenter(Component comp) { GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment(); Rectangle rec=ge.getDefaultScreenDevice().getDefaultConfiguration().getBounds(); comp.setLocation(((int)(rec.getWidth()-comp.getWidth())/2), ((int)(rec.getHeight()-comp.getHeight()))/2); } }