Podcast
Questions and Answers
The setEnabled() method is used to:
The setEnabled() method is used to:
The setSize() method is commonly used to:
The setSize() method is commonly used to:
What does the TextField tf = new TextField(10); line do?
What does the TextField tf = new TextField(10); line do?
What is the default layout manager for a Frame in AWT?
What is the default layout manager for a Frame in AWT?
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What is the purpose of the FlowLayout layout manager?
What is the purpose of the FlowLayout layout manager?
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Which AWT component is used to create a checkbox that can be selected or deselected?
Which AWT component is used to create a checkbox that can be selected or deselected?
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Which AWT component is used to create a group of mutually exclusive radio buttons?
Which AWT component is used to create a group of mutually exclusive radio buttons?
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The setVisible(true) method is used to:
The setVisible(true) method is used to:
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Study Notes
AWT Components
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setEnabled(): Enables event handling for a specific component. -
setLayout(): Specifies the layout manager for a container to arrange components. -
setSize(): Defines the dimensions of a component. -
setText(): Assigns a text value to a Label component. -
setVisible(true): Makes a component visible in the graphical user interface. -
TextField tf = new TextField(10): Initializes a TextField with a capacity for 10 characters. - FlowLayout: Arranges components in a single row and divides the container into specific areas.
- Components like buttons and checkboxes can be included and positioned accordingly.
Layout Managers
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setEnabled(): Disables event handling for a component. -
setLayout(): Changes the background color of a component or sets its layout. -
setSize(): Establishes the size of a GUI component. -
setText(): Sets the layout configuration of a GUI component. -
setVisible(true): Ensures a component is shown on the screen. - BorderLayout: Divides the container into five distinct areas and allows for a structured arrangement.
- GridLayout: Creates a grid layout with fixed rows and columns to organize components neatly.
Other Components
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setEnabled(): Can be used to make a component visible or invisible based on the context. -
setLayout(): Sets the layout manager used for arranging components within a container. -
setSize(): Determines the dimensions of various GUI elements. -
setText(): Can be employed to set visible text on buttons and other components. -
setVisible(true): Used to enable event handling for the component while making it visible. - GridLayout: Consistently arranges components into a grid structure, supporting a neat display.
- Options can be configured for radio buttons and checkboxes for user interactions.
Detailed Component Functions
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setEnabled(): Adjusts the activity state of components, either enabling or disabling them. - GridBagLayout: Allows for more precise control over how components are positioned and sized within the container.
- ToggleButton: Functions similarly to other buttons but retains its pressed state until toggled again.
- CheckboxGroup: Manages groups of checkboxes that can provide mutual exclusivity among options.
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Description
This quiz covers the essential methods used in AWT components including enabling event handling, setting layouts, sizes, and text for various components. Test your knowledge on the functionalities of key AWT methods and their applications in Java GUI programming.
