JButton btn = new JButton("****");

JTextField textField = new JTextField();

JPanel contentPane = new JPanel();

JLabel label = new JLabel("****");

setVisible(false);

setVisible(true);

setEditable(false);

setEditable(true);

add(...)

setLayout(...)

setBounds (...)

getBounds(...)

Util

Docker

Swing

AWT

Abstract Window Test

Abstract  Work Table

Action Window Test

Abstract Window Toolkit

setBounds (...)

setLayout(...)

add(...)

getBounds(...)

Swing

Docker

AWT

Light

textField.setVisible("****");

textField.setEditable("****");

textField.setBounds("****");

textField.setText("****");