1 import java.lang as lang
   2 import javax.swing as swing
   3 import java.awt as awt
   4 
   5 names = ["Groucho","Chico","Harpo"]
   6 quotes = {"Groucho": "Say the secret word",
   7           "Chico": "Viaduct?",
   8           "Harpo": "HONK!"}
   9 
  10 def buttonPressed(event):
  11     field.text = quotes[event.source.text]
  12 
  13 def exit(event):
  14     lang.System.exit(0)
  15 
  16 def createButton(name):
  17     return swing.JButton(name, preferredSize=(100,20),
  18             actionPerformed = buttonPressed)
  19 
  20 win = swing.JFrame("Welcome to Jython", size=(100,20), windowClosing=exit)
  21 win.contentPane.layout = awt.FlowLayout()
  22 
  23 field = swing.JTextField(preferredSize=(200,20))
  24 win.contentPane.add(field)
  25 
  26 buttons = [createButton(each) for each in names]
  27 for eachButton in buttons:
  28     win.contentPane.add(eachButton)
  29 
  30 win.pack()
  31 win.show()