We will now need to learn how to program user input, by investigating the lines of code that we need to add in order to use the Scanner class. We will also learn the method call needed for output.
Alternately, you may use dialog boxes for communicating with the user. An introduction to graphical user interface (GUI) programming is explored using the JOptionPane class.
The String class is introduced and we will use some of the available methods to prepare you for string processing.