Ticker is a class used to display a message across the horizontal screen of the device. An instance of the Ticker class can be associated with any class derived from the Screen class. It has the following methods:
- Ticker(String str): It creates a new Ticker. The String parameter defines the string to be displayed.
- String getString(): It extracts the text displayed by the Ticker.
- void setString(String str): It defines the method to be displayed by the Ticker or replaces the string of an already created Ticker.
