已知接口A定义如下,那么可以实现接口A的类B是interfaceA{intmethod1(inti);intmethod2(intj);} A. class B implements A{ int method1(){} int method2(){} } B. class B{ int method1(int i){} int method2(int j){} } C. class B extends A{ int method1(int i){} int method2(int j){} } D. class B implements A{ int method1(int i){} int method2(int j){} }