Question

5) which of these classes can be added to any container class using the add method defined in container class​

Answer 1

Answer:

A container class is any descendent class of the class Container. ... You can add any JComponent object to any container class object. The class JComponent is derived from the class Container, and so you can add a JComponent to another JComponent.

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Answer 2

The JComponent class can be added to any container class using the add method defined in container class​.

Explanation:

• The fundamental Java user interface object is a component. In a Java application, every visual element is a component. This comprises elements like text fields, buttons, checkboxes, scrollbars, lists, and panels. Typically, a component needs to be put in a container before it can be used. Container objects organise components into groups, place them in a display-ready configuration using a layout manager, and link them to a specific display device. The abstract javax.swing.JComponent class is the ancestor of all Swing components. The JComponent class is a subclass of AbstractButton, which is a subclass of the JButton class.
• From the AWT Container class it descends, JComponent is the top level of the Swing component tree. Our discussion occasionally veers towards the AWT package because Swing is built on AWT at this level. The root of all AWT components, Component, is a container's superclass. Object is Component's superclass. JComponent possesses both component and container features due to its inheritance from Container.

Thus, the JComponent class can be added to any container class using the add method defined in container class​.

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