1    package greetings;
2    import javax.swing.JOptionPane;
3    
4    public class HelloYou {
5    
6        public static void main(String[] args) {
7            String name = JOptionPane.showInputDialog(null, "Who are you?") ;
8            System.out.println("Hello, " + name + "!") ;
9        }
10   }
11