38. 父类声明:public class FXfather<T>{….}
现在要定义一个Fxfather的子类son,下面定义错误的是( )
A. class Son extends FXfather<String>{}X
B. class Son<T,V> extends FXfather<T>{}
C. class Son<String> extends FXfather<String>{}
D. class Son<String> extends FXfather<T>{}
选哪个?为啥? |
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