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