Guillaume questions

Guillaume answers

• Pattern for version-specific implementations of a Java class
• ClassCastException when creating an instance of a class using reflection and ClassLoaders
• Group by discriminator value in table per class hierarchy mapping
• Hibernate how to discriminate in joined-subclass
• Set order of columns in JTable
• Append MYSQL dump to a table
• Object or primitive type
• swing: event listener support class
• Java Client .class File Protection
• Method may fail to close stream on exception