Progress bar is a user friendly control which is used to indicate the current status of some time-consuming tasks such as software installation etc. It indicates the progress of a task by showing the percentage of completion using a color bar.
Action Listener is used to the button , the button click event is the example of Action Listener Interface.ItemListener is used when a CheckBox, RadioButton, ListItem or Choice menu option is selected.Focus Listener is used when an AWT Component gains or loses input focus.
In multithreading two or more subprograms runs simultaneously and each subprogram is called Thread. One subprogram displays the animation on the screen and other subprogram loads the next animation that is to be displayed on the screen.
A table is a component of the swing class that displays rows and columns of data. The JTable class that extends JComponent is used to implement the tables.JTable components represents a two dimensional grid of objects(that is rows and columns format).