Podcast
Questions and Answers
A _____ is a passive AWT control that does not generate any event.
A _____ is a passive AWT control that does not generate any event.
Label
ActionEvent Class is used for which control?
ActionEvent Class is used for which control?
- None of these
- List, Button, Checkbox (correct)
- Menu, Label, ScrollBar
- Label, Button, List
Arranges the components as a deck of cards such that only one component is visible at a time:
Arranges the components as a deck of cards such that only one component is visible at a time:
- GridLayout
- BorderLayout
- FlowLayout
- CardLayout (correct)
AWT components are:
AWT components are:
Change in the state of an object is known as __________.
Change in the state of an object is known as __________.
Event listeners are:
Event listeners are:
In AWT, what is the purpose of the Scrollbar component?
In AWT, what is the purpose of the Scrollbar component?
In AWT, which class is used to create a window with a title bar, borders, and buttons?
In AWT, which class is used to create a window with a title bar, borders, and buttons?
In AWT, which layout manager automatically resizes components to fill available space?
In AWT, which layout manager automatically resizes components to fill available space?
MVC architecture is ________.
MVC architecture is ________.
The following way is used to create a frame is by creating the:
The following way is used to create a frame is by creating the:
The getActionCommand() method is used to retrieve:
The getActionCommand() method is used to retrieve:
The getSelectedIndex() method is commonly used with which AWT component?
The getSelectedIndex() method is commonly used with which AWT component?
The setEnabled() method is used to:
The setEnabled() method is used to:
The setLayout() method is used to:
The setLayout() method is used to:
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Study Notes
AWT Controls and Components
- A label is a passive AWT control that does not generate any event.
- The ActionEvent class is used primarily with List, Button, and Checkbox controls.
- CardLayout arranges components like a deck of cards, showing only one component at a time.
Platform Dependency
- AWT components are platform dependent, which means their appearance and behavior can vary across different operating systems.
Understanding Events
- A change in the state of an object is referred to as an event.
- Event listeners are typically implemented as interfaces in Java.
AWT Component Functions
- The Scrollbar component allows users to select a value from a specified range.
- The Frame class is used to create a window with a title bar, borders, and buttons.
Layout Management
- FlowLayout is a layout manager that automatically resizes components to fill the available space.
- The Model-View-Controller (MVC) architecture consists of the Model, View, and Controller components.
Frame Creation and Action Command
- Creating a Frame can be done through inheritance or association with the Frame class.
- The getActionCommand() method retrieves the label text or identifier associated with an action event.
Component Interaction
- The getSelectedIndex() method is commonly used with List and ComboBox AWT components.
- The setEnabled() method is used to enable or disable a component based on the passed argument.
Layout Configuration
- The setLayout() method is used to define the layout manager for a container, influencing how components are arranged within it.
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