Playing with Swing Components

Frage	Antworten
What is the syntax for making a JTextField?	JTextField field = new JTextField(nColumns); JTextField field = new JTextField("your name");
What is the syntax for making a JTextArea?	JTextArea text = new JTextArea(lines, columns);
What is the syntax for making a JCheckBox?	JCheckBox check = new JCheckBox("Goes to 11");
What is the syntax for making a JList?	JList list = new JList(listEntries);
What is the syntax to register for a JCheckBox item event?	check.addItemListener(this);
What is the syntax to select or deselect a JCheckBox?	check.setSelected(true); check.setSelected(false);
What syntax to use to restrict the user to selecting only ONE thing at a time in JList?	list.setSelectionMode (ListSelectionModel. SINGLE_SELECTION);
What is the syntax to register for a JList list selection event?	list.addListSelectionListener(this);
What is the method for handling a JCheckBox item event?	public void itemStateChanged(ItemEvent ev) {..}
What is the method for handling a JList list selection event?	public void valueChanged(ListSelectionEvent lse) {..}
What is the syntax for turning on line wrapping for a JTextArea object?	text.setLineWrap(true);

Zusammenfassung der Ressource

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