#BlueJ class context
comment0.params=MButton\ NButton
comment0.target=UPCField(JButton,\ JButton)
comment1.target=void\ generateCheckDigit()
comment2.params=upc
comment2.target=int\ generateCheckDigit(String)
comment3.target=boolean\ isCheckDigitValid()
comment4.params=c
comment4.target=int\ charToInteger(char)
comment5.params=upc
comment5.target=void\ setUPC(String)
comment6.target=String\ getUPC()
comment7.params=args
comment7.target=void\ main(String[])
numComments=8