code: public static void main(String[] args)
     {
        EventQueue.invokeLater(new Runnable()
        {
           @Override public void run()
           {
              try
              {
                 UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
                 ProjectExplorer window = new ProjectExplorer();
                 window.m_frame.setVisible(true);
              }
              catch (Exception e)
              {
                 e.printStackTrace();
              }
           }
        });
     }
docs: Launch the application.
  
  @param args command line arguments.