Introduction to Sing Components
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| show | Buttons, text fields, and other components with which the user can interact. Also called controls or widgets
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| Swing Components | show 🗑
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| Java Foundation Classes(JFC) | show 🗑
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| show | Almost all Swing components are said to be lightweight components because they are written completely in Java and do not have to rely on the local operating system code
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| Heavyweight Components | show 🗑
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| Container | show 🗑
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| 1. Method Inherited by the JFrame Class | show 🗑
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| 2. Method Inherited by the JFrame Class | show 🗑
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| 3. Method Inherited by the JFrame Class | show 🗑
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| 4. Method Inherited by the JFrame Class | show 🗑
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| show | 8. Method[void setBounds(int, int, int, int)]..Purpose[Overrides the default behavior for the JFrame to be positioned in the upper-left corner or computer screen.
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| 6. Method Inherited by the JFrame Class | show 🗑
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| show | The picture elements, or tiny dots of light, that make up the image on your computer monitor
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| Look and Feel | show 🗑
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| show | A built-in Java Swing class that holds text you can display
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| show | You can add JLabel and other object to a JFrame object using this method. Ex: JLabel greeting = new Label("Good day");...
aFrame.add(greeting);...
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| remove() Method | show 🗑
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| show | Can be used to change the text in a JLabel by using this Component class method with the JLabel object and passing a String to it. Ex: greeting.setText("Howdy");
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| getText() Method | show 🗑
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| Font Class | show 🗑
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| show | Requires a Font object argument. To construct a Font object, you need three arguments: typeface, style, and point size.
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| show | The typeface argument to the Font constructor is a String representing a font. Common fonts have names such as Arial, Century, Monospaced, and Times New Roman.
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| show | Applies an attribute to displayed text and is one of three values: Font.PLAIN, Font.BOLD, or Font.ITALIC
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| show | An integer that represents about 1/72 of an inch. Printed text is commonly 12 points; a headline might be 30 points
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| 1. Giving a JLabel Object New Font | show 🗑
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| 2. Giving a JLabel Object New Font | show 🗑
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| show | To place multiple components at specified positions in a container so they do not hide each other, you must explicitly use a layout manager - a class that controls component positioning. Normal behavior of a JFrame is to use layout format BorderLayout
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| BorderLayout | show 🗑
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| Flow Layout Manager | show 🗑
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| FlowLayout Class Three Constants | show 🗑
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| setLayout() Method | show 🗑
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| JTextField | show 🗑
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| show | To provide a JTextField that allows enough room for a user to enter approximately 10 characters, you can code the following..
JTextField response = new JTextField(10);...
To add the JTextField response to JFrame frame, you write..
frame.add(response);
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| Editable JTextFields | show 🗑
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| show | If you do not want the user to be able to enter data in a JTextField, you can send a Boolean value to this method to change the JTextField's editable status
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| JButton | show 🗑
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| show | Popup windows that can help a user understand the purpose of components in an applications; the tool tip appears when a user hovers the mouse pointer over the component
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| show | Used to define the text to be displayed in a tool tip by passing an appropriate String to it. Ex: button.setToolTipText("Click this button");
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| show | Occurs when a user takes action on a component, such as clicking the mouse on a JButton object
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| show | A program in which the user might initiate any number of events in any order
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| Source of Event | show 🗑
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| Listener | show 🗑
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| show | Used to tell your class to expectnActionEvents
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| Preparing Your Class to Accept Event Messages | show 🗑
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| show | Includes event classes with names such as ActionEvent, ComponentEvent, and TextEvent.
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| ActionListener | show 🗑
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| show | The types of events that occur when a user clicks a button
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| show | When a class =, such as a JFrame , has a registered as a listener with a Component such as a JButton, and a user clicks the JButton, the actionPerformed() method executes. The ActionLIstener interface contains this method
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| 1. Responding to Events | show 🗑
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| 2. Responding to Events | show 🗑
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| setEnabled() Method | show 🗑
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| show | 1. Listener[ActionListener]..TypeOfEvents[Action events]..Ex[Button clicks]...
2. Listener[AdjustmentListener]..TypeOfEvents[Adjustment events]..Ex[Scroll bar moves]...
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| show | 3. Listener[ChangeListener]..TypeOfEvents[Change events]..Ex[Slider is repositioned]...
4. Listener[FocusListener]..TypeOfEvents[Keyboard focus events]..Ex[Text field grains or loses focus]...
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| 3. Alphabetical List of Some Event Listeners | show 🗑
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| show | 7. Listener[MouseListener]..TypeOfEvents[Mouse events]..Ex[Mouse clicks]...
8. Listener[MouseMotionListener]..TypeOfEvents[Mouse movement events]..Ex[Mouse rolls]...
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| 5. Alphabetical List of Some Event Listeners | show 🗑
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| show | 1. Components[JButton, JCheckBox, JComboBox, JTextField, and JRadioButton]..AssociatedListenerRegisteringMethods[addActionListener()]...
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| show | 2. Components[JScrollBar]..AssociatedListenerRegisteringMethods[addAdjustmentListener()]...
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| 3. Some Swing Components and Their Associated Listener-Registering Methods | show 🗑
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| show | 4. Components[JButton, JCheckBox, JComboBox, and JRadioButton]..AssociatedListenerRegisteringMethods[addItemListener()]...
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| show | 5. Components[All JWindow and JFrame components]..AssociatedListenerRegisteringMethods[addWindowListener()]...
6. Components[JSlider and JCheckBox]..AssociatedListenerRegisteringMethods[addChangeListener())]
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| show | A method that executes because it is called automatically when an appropriate event occurs
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| show | 1. Listener[ActionListener]..Method[actionPerformed(ActionEvent)]...
2. Listener[AdjustmentListener]..Method[adjustmentValueChanged(AdjustmentsEvent)]...
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| show | 3. Listener[FocusListener]..Method[focusGained(FocusEvent) and focusLost(FocusEvent)]...
4. Listener[ItemListener]..Method[itemStatedChanged(ItemEvent)]
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| JCheckBox | show 🗑
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| show | When you create a ButtonGroup, you can group several components, such as JCheckBoxes, so a user can select only one at a time
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| show | A component that combines two features: a display area showing a default option and list box that contains additional, alternate options
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| Generic Programming | show 🗑
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
TimJavaProgramming
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