我正在尝试将kABFirstNamePropert、kABLastNameProperty和kABAddressProperty都保存到一个数组中,以便稍后调用,我就是搞不懂,有人能帮我一把或给我指明正确的方向吗?谢谢。我是这方面的超级NOOb// setting the first namelastName.text = (NSString *)ABR
implementationpublic class ImplementationFactory<T> public static void main(String[] args) AddressBookUIui = ImplementationFactory.getImpl(AddressBookUI.class); {
if (u
当我尝试运行我的addressBookUi类时,我得到了这个错误。Exception in thread "AWT-EventQueue-0" java.lang.NullPointerExceptionat addressBookUI.<init>(addressBookUI.java:6)
at addressBookUI$2.run(<e