Java cmpilation problem

a2@a2-laptop:~# dpkg -l |grep java6
ii sun-java6-bin 6-06-0ubuntu1 Sun Java(TM) Runtime Environment (JRE) 6 (ar
ii sun-java6-jdk 6-06-0ubuntu1 Sun Java(TM) Development Kit (JDK) 6
ii sun-java6-jre 6-06-0ubuntu1 Sun Java(TM) Runtime Environment (JRE) 6 (ar
ii sun-java6-plugin 6-06-0ubuntu1 The Java(TM) Plug-in, Java SE 6


a2@a2-laptop:~/java$ cat mydialog.java
import javax.swing.*;
public class mydialog
{
public static void main(String[] args)
{
System.out.println("my dialog programm");
String name=JOptionPain.showInputDialog("what is your name?");

}
}


a2@a2-laptop:~/java$ javac mydialog.java
mydialog.java:7: cannot find symbol
symbol : variable JOptionPain
location: class mydialog
String name=JOptionPain.showInputDialog("what is your name?");
^
1 error


Я насколько понял не импортнулся пакет swing, куда копать?