What is component and container in Java?

A component is the fundamental user interface object in Java. Everything you see on the display in a Java application is a component. This includes things like windows, panels, buttons, checkboxes, scrollbars, lists, menus, and text fields. To be used, a component usually must be placed in a container.

Useful Methods of Component Class Inserts a component on this component . Sets the size (width and height) of the component. Defines the layout manager for the component. Changes the visibility of the component, by default false.

In Java, a component is the basic user interface object and is found in all Java applications . Components include lists, buttons, panels, and windows. To use components, you need to place them in a container. A container is a component that holds and manages other components.