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Errata for "Rapid Java Application Development Using JBuilder 4/5/6" (1st printing, Dec 16, 2001)
P590-591 in the source code of AddressPanel.java, add protected in Lines 20, 22, 24, 26, 31, 33, 35, 38, 42, 46. (The reason is that this class will be extended in the DataExpressAddressPanel class in the dataexpressdemo package and these protected variables will be referenced in the DataExpressAddressPanel class.)