GUI creation sample code for a Java application [JFrame, JPanel, JScrollPane, JButton, JMenuBar, JMenuItem]
public void go() {
//build and display the GUI
frame = new JFrame("Quiz Card Builder"); // title bar
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel mainPanel = new JPanel();
Font bigFont = new Font("sanserif", Font.BOLD, 24);
question = new JTextArea(6,20);
question.setLineWrap(true);
question.setWrapStyleWord(true);
question.setFont(bigFont);
JScrollPane qScroller = new JScrollPane(question);
qScroller.setVerticalScrollBarPolicy(
ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
qScroller.setHorizontalScrollBarPolicy(
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
answer = new JTextArea(6,20);
answer.setLineWrap(true);
answer.setWrapStyleWord(true);
answer.setFont(bigFont);
JScrollPane aScroller = new JScrollPane(answer);
aScroller.setVerticalScrollBarPolicy(
ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
aScroller.setHorizontalScrollBarPolicy(
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
JButton nextButton = new JButton("Next Card");
cardList = new ArrayList<QuizCard>();
JLabel qLabel = new JLabel("Question:");
JLabel aLabel = new JLabel("Answer:");
mainPanel.add(qLabel);
mainPanel.add(qScroller);
mainPanel.add(aLabel);
mainPanel.add(aScroller);
mainPanel.add(nextButton);
nextButton.addActionListener(new NextCardListener());
JMenuBar menuBar = new JMenuBar();
JMenu fileMenu = new JMenu("File");
JMenuItem newMenuItem = new JMenuItem("New");
JMenuItem saveMenuItem = new JMenuItem("Save");
newMenuItem.addActionListener(new NewMenuListener());
saveMenuItem.addActionListener(new SaveMenuListener());
fileMenu.add(newMenuItem);
fileMenu.add(saveMenuItem);
menuBar.add(fileMenu);
frame.setJMenuBar(menuBar);
frame.getContentPane().add(BorderLayout.CENTER, mainPanel);
frame.setSize(500,600);
frame.setVisible(true);
}