Kepler

import javax.swing.JFrame;

import javax.swing.JOptionPane;

/**

 In this example, hitting "Return" closes the window.

 Compile and run with:

 javac JOptionPaneTest.java

 java JOptionPaneTest

 */

public class JOptionPaneTest {

  public static void main(String[] args) {

    JFrame frame = new JFrame();

    Object result = JOptionPane.showInputDialog(frame, "What is the meaning of life?");

    System.out.println(result);

  }

}