Retrieve information of all available UIManager defaults
import javax.swing.LookAndFeel; import javax.swing.UIManager; public class Main { public static void main(String[] args) { System.out.println(" " + UIManager.getLookAndFeel().getName()); UIManager.LookAndFeelInfo[] inst = UIManager.getInstalledLookAndFeels(); for (int i = 0; i < inst.length; i++) { System.out.println(" " + inst[i].getName()); } LookAndFeel[] aux = UIManager.getAuxiliaryLookAndFeels(); if (aux != null) { for (int i = 0; i < aux.length; i++) { System.out.println(" " + aux[i].getName()); } } else { System.out.println(" <NONE>"); } System.out.println(" " + UIManager.getCrossPlatformLookAndFeelClassName()); System.out.println(" " + UIManager.getSystemLookAndFeelClassName()); } }