package Graphics; import javax.swing.UIManager; import java.awt.*; public class Assign { boolean packFrame = false; //Construct the application public Assign() { MainFrame frame = new MainFrame(); //Validate frames that have preset sizes //Pack frames that have useful preferred size info, e.g. from their layout if (packFrame) frame.pack(); else frame.validate(); //Center the window Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); Dimension frameSize = frame.getSize(); if (frameSize.height > screenSize.height) frameSize.height = screenSize.height; if (frameSize.width > screenSize.width) frameSize.width = screenSize.width; frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2); frame.setVisible(true); // frame.draw(); } //Main method public static void main(String[] args) { try { //UIManager.setLookAndFeel(new javax.swing.plaf.windows.WindowsLookAndFeel()); //UIManager.setLookAndFeel(new javax.swing.plaf.motif.MotifLookAndFeel()); //UIManager.setLookAndFeel(new javax.swing.plaf.metal.MetalLookAndFeel()); } catch (Exception e) { } new Assign(); } }