java JFrame - window, typically subclassed

w =	new JFrame();	Constructor
w =	new JFrame(t);	Constructor. Sets titlebar to t.
	w.setTitle(t);	Sets titlebar text to t
	w.setDefaultCloseOperation(opt);	JFrame.EXIT_ON_CLOSE terminates program when close box clicked.
	w.setVisible(true/false);	Make visible (and start GUI thread) or hide.
	w.pack();	Calculates layout on all inner containers and sets size of JFrame.
	w.setContentPane(cont);	Sets the content pane - common to pass a JPanel here.
cont =	w.getContentPane();	Returns the window's content pane.
	w.setJMenuBar(mb);	Adds a JMenuBar.
	w.setResizable(false);	Prevent user from resizing window.
	w.setLocation(x, y);	Positions window's top left corner at screen coordinates (x, y).
	w.setSize(w, h);	Sets window size, but use layouts and pack() instead.
	w.show();	Deprecated. Use w.setVisible(true).
	w.hide();	Deprecated. Use w.setVisible(false).