Java tutorial
//package com.java2s; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; public class Main { public static void setLookAndFeelToSystem() { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException e) { e.printStackTrace(); } } }