public   class  Test  extends  JFrame {


     public  Test()  throws  HeadlessException {

        Box horizontal = Box.createHorizontalBox();
        horizontal.add(Box.createGlue());
        horizontal.add( new  JLabel("Test"));
        horizontal.add(Box.createGlue());

        Box vertical = Box.createVerticalBox();
        vertical.add(Box.createGlue());
        vertical.add(horizontal);
        vertical.add(Box.createGlue());

        setLayout( new  BorderLayout());
        getContentPane().add(vertical);

        pack();
    }

     public   static   void  main(String[] args) {
        Test frame =  new  Test();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.show();
    }
}