tipo tenho uns temas aqui para as janelas
//UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
//UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
// UIManager.setLookAndFeel("com.sun.java.swing.plaf.gtk.GTKLookAndFeel");
// UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
poderiam postar meis temas assim e mostra como usar ?
tow com dificuldade tbm de usar esse
// javax.swing.UIManager.setLookAndFeel(“com.birosoft.liquid.LiquidLookAndFeel”);