import javax.swing.JDialog;
import javax.swing.JOptionPane;
public class Main {
public static void main(String... args) {
JOptionPane optionPane = new JOptionPane("Its me",
JOptionPane.PLAIN_MESSAGE, JOptionPane.DEFAULT_OPTION, null, null,
"Please ENTER your NAME here");
optionPane.setWantsInput(true);
JDialog dialog = optionPane.createDialog(null, "TEST");
dialog.setLocation(10, 20);
dialog.setVisible(true);
System.out.println(optionPane.getInputValue());
}
}