1    package greetings;
2    
3    import javax.swing.JOptionPane ;
4    public class HelloYou {
5    
6    
7        public static void main(String[] args) {
8            String name = JOptionPane.showInputDialog(null, "who are you?");
9            System.out.println("Hello, " + name + "!");
10       }
11   
12   }
13   
14   
15   
16