What is hierarchy of Java Swing classes?
A summary of the classes in the Component hierarchy
| Class | Description |
|---|---|
| Frame | The AWT class that defines a window with a title bar and border. |
| JFrame | The Swing class that defines a window with a title bar and border. |
| JComponent | A base class for Swing components such as JPanel, JButton, JLabel, and JTextField. |
What is Swing component hierarchy?
A Swing-based applet has at least one containment hierarchy, exactly one of which is rooted by a JApplet object. For example, an applet that brings up a dialog has two containment hierarchies. The components in the browser window are in a containment hierarchy rooted by a JApplet object.
What is the class hierarchy for AWT components?
The Java AWT (Abstract Windowing Toolkit) contains the fundamental classes used for constructing GUIs. The abstract Component class is the base class for the AWT. Many other AWT classes are derived from it.
What is container in Java Swing?
Containers are an integral part of SWING GUI components. A container provides a space where a component can be located. A Container in AWT is a component itself and it provides the capability to add a component to itself. Following are certain noticable points to be considered.
Is top-level container in Java Swing?
A top-level container is a swing component with one only purpose, and that is to hold other swing components (with lower status). In Swing there are four top-level containers, but only three from those are used. They are JFrame, JApplet and JDialog.
What is Swing library in Java?
Swing is a GUI widget toolkit for Java. It is part of Oracle’s Java Foundation Classes (JFC) – an API for providing a graphical user interface (GUI) for Java programs.
What is JTable in Java Swing?
The JTable class is a part of Java Swing Package and is generally used to display or edit two-dimensional data that is having both rows and columns. It is similar to a spreadsheet. This arranges data in a tabular form.