[10_24] 소스 추가 설명-swing

JFrame frame = new JFrame("HelloWorldSwing");
//window Creation (not visible)
JLabel label1 = new JLabel("Hello!");
//Text Label Creation (not VIsible)
frame.setLayout(new FLowLayout());
//must included - why?
frame.getContentPane().add(label1);
//Add Label to Frame
frame.pack();
frame.setVisible(true);
//set visible...